283 lines
14 KiB
JSON
283 lines
14 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-82727",
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"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"state": "PUBLISHED",
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"assignerShortName": "EEF",
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"dateReserved": "2026-08-31T00:59:08.960Z",
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"datePublished": "2026-08-31T03:03:58.982Z",
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"dateUpdated": "2026-08-31T14:49:25.154Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"collectionURL": "https://repo.hex.pm",
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"cpes": [
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"cpe:2.3:a:ash-project:ash_phoenix:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshPhoenix.Form.Auto'"
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],
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"packageName": "ash_phoenix",
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"packageURL": "pkg:hex/ash_phoenix",
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"product": "ash_phoenix",
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"programFiles": [
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"lib/ash_phoenix/form/auto.ex"
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],
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"repo": "https://github.com/ash-project/ash_phoenix",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "2.3.25",
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"status": "affected",
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"version": "1.2.17",
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"versionType": "semver"
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}
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]
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},
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{
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"collectionURL": "https://github.com",
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"cpes": [
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"cpe:2.3:a:ash-project:ash_phoenix:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshPhoenix.Form.Auto'"
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],
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"packageName": "ash-project/ash_phoenix",
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"packageURL": "pkg:github/ash-project/ash_phoenix",
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"product": "ash_phoenix",
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"programFiles": [
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"lib/ash_phoenix/form/auto.ex"
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],
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"repo": "https://github.com/ash-project/ash_phoenix",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "0c1775c3cf8988f9abd10a8f92315afc5f06f16d",
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"status": "affected",
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"version": "a3436fcc321e3b34c242cceaf62c3c92bc1a452b",
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"versionType": "git"
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}
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]
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}
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],
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"configurations": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>The application renders an <code>AshPhoenix.Form</code> with a union field, and submitted params (which may carry secrets) reach logs, crash reports or the error page.</p>"
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},
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{
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"base64": false,
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"type": "text/markdown",
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"value": "The application renders an `AshPhoenix.Form` with a union field, and submitted params (which may carry secrets) reach logs, crash reports or the error page."
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}
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],
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"value": "The application renders an AshPhoenix.Form with a union field, and submitted params (which may carry secrets) reach logs, crash reports or the error page."
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"cpeMatch": [
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{
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"criteria": "cpe:2.3:a:ash-project:ash_phoenix:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "2.3.25",
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"versionStartIncluding": "1.2.17",
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"vulnerable": true
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}
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],
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"negate": false,
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"operator": "OR"
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}
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],
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"operator": "AND"
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "Peter Ullrich"
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},
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{
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"lang": "en",
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"type": "reporter",
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"value": "Peter Ullrich"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Zach Daniel / Ash Project"
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},
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{
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"lang": "en",
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"type": "coordinator",
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"value": "Jonatan Männchen / EEF"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>Generation of Error Message Containing Sensitive Information vulnerability in ash-project ash_phoenix writes the entire raw submitted param map into an exception message, so secrets submitted alongside a union form field leak into logs, crash reports and the dev error page.</p>\n<p>When <code>AshPhoenix.Form.Auto</code> builds a union sub-form and the submitted <code>_union_type</code> does not match a configured type, both raise sites built the message with <code>inspect(params, pretty: true)</code>, embedding the full untrusted param map, and also inspected the internal union <code>constraints[:types]</code>. Because the message is constructed by the library rather than Phoenix's parameter logger, <code>config :phoenix, :filter_parameters</code> never redacts it. An attacker controls both the trigger and the contents: submitting <code>%{\"_union_type\" => \"nope\", \"password\" => \"...\"}</code> puts the password verbatim in the raised message. The fix reports only the offending <code>_union_type</code> and the valid type names, dropping the param and constraints dumps.</p>\n<p>This issue affects ash_phoenix: from 1.2.17 before 2.3.25.</p>"
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},
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{
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"base64": false,
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"type": "text/markdown",
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"value": "Generation of Error Message Containing Sensitive Information vulnerability in ash-project ash_phoenix writes the entire raw submitted param map into an exception message, so secrets submitted alongside a union form field leak into logs, crash reports and the dev error page.\n\nWhen `AshPhoenix.Form.Auto` builds a union sub-form and the submitted `_union_type` does not match a configured type, both raise sites built the message with `inspect(params, pretty: true)`, embedding the full untrusted param map, and also inspected the internal union `constraints[:types]`. Because the message is constructed by the library rather than Phoenix's parameter logger, `config :phoenix, :filter_parameters` never redacts it. An attacker controls both the trigger and the contents: submitting `%{\"_union_type\" => \"nope\", \"password\" => \"...\"}` puts the password verbatim in the raised message. The fix reports only the offending `_union_type` and the valid type names, dropping the param and constraints dumps.\n\nThis issue affects ash_phoenix: from 1.2.17 before 2.3.25."
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}
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],
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"value": "Generation of Error Message Containing Sensitive Information vulnerability in ash-project ash_phoenix writes the entire raw submitted param map into an exception message, so secrets submitted alongside a union form field leak into logs, crash reports and the dev error page.\n\nWhen AshPhoenix.Form.Auto builds a union sub-form and the submitted _union_type does not match a configured type, both raise sites built the message with inspect(params, pretty: true), embedding the full untrusted param map, and also inspected the internal union constraints[:types]. Because the message is constructed by the library rather than Phoenix's parameter logger, config :phoenix, :filter_parameters never redacts it. An attacker controls both the trigger and the contents: submitting %{\"_union_type\" => \"nope\", \"password\" => \"...\"} puts the password verbatim in the raised message. The fix reports only the offending _union_type and the valid type names, dropping the param and constraints dumps.\n\nThis issue affects ash_phoenix: from 1.2.17 before 2.3.25."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-54",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-54 Query System for Information"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"attackVector": "NETWORK",
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"baseScore": 2.3,
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"baseSeverity": "LOW",
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"privilegesRequired": "LOW",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "NONE",
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"vulnConfidentialityImpact": "LOW",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-209",
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"description": "CWE-209 Generation of Error Message Containing Sensitive Information",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"shortName": "EEF",
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"dateUpdated": "2026-08-31T03:03:58.982Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory",
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"related"
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],
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"url": "https://github.com/ash-project/ash_phoenix/security/advisories/GHSA-5xf4-hgcq-xw7v"
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},
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{
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"tags": [
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"related"
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],
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"url": "https://cna.erlef.org/cves/CVE-2026-82727.html"
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},
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{
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"tags": [
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"related"
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],
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-82727"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/ash-project/ash_phoenix/commit/0c1775c3cf8988f9abd10a8f92315afc5f06f16d"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"title": "AshPhoenix Form.Auto leaks submitted params in an unknown _union_type error message"
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/ash-project/ash_phoenix/security/advisories/GHSA-5xf4-hgcq-xw7v",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-31T14:49:02.912896Z",
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"id": "CVE-2026-82727",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-31T14:49:25.154Z"
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}
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}
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]
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}
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} |