259 lines
13 KiB
JSON
259 lines
13 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-2026-75757",
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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": "2026-08-30T23:30:01.239Z",
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"datePublished": "2026-08-31T02:20:17.985Z",
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"dateUpdated": "2026-08-31T14:50:59.043Z"
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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_admin:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"packageName": "ash_admin",
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"packageURL": "pkg:hex/ash_admin",
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"product": "ash_admin",
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"programFiles": [
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"assets/js/app.js"
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],
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"repo": "https://github.com/ash-project/ash_admin",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "1.3.1",
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"status": "affected",
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"version": "0.9.1",
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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_admin:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"packageName": "ash-project/ash_admin",
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"packageURL": "pkg:github/ash-project/ash_admin",
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"product": "ash_admin",
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"programFiles": [
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"assets/js/app.js"
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],
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"repo": "https://github.com/ash-project/ash_admin",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "e93a3408a85035e1f90275d02bc2470c96095e56",
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"status": "affected",
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"version": "77a43cc4fa04cb59c38fc434568a35a38ecb995a",
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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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"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_admin:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.3.1",
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"versionStartIncluding": "0.9.1",
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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>Reliance on Cookies without Validation and Integrity Checking vulnerability in ash-project ash_admin lets an attacker who controls a sibling subdomain rebind an admin's session to a different actor, tenant, or authorization mode.</p>\n<p>AshAdmin's client JavaScript read its state cookies (<code>tenant</code>, <code>actor_resource</code>, <code>actor_primary_key</code>, <code>actor_action</code>, <code>actor_domain</code>, <code>actor_authorizing</code>, <code>actor_paused</code>) by matching the cookie name with an unanchored regular expression (<code>new RegExp(name + \"=([^;]+)\")</code>) against the whole <code>document.cookie</code>. Any cookie whose name merely ends with the requested name therefore matches, and whichever is serialized first wins. Because cookies are shared across a registrable domain, a compromised sibling subdomain can set a shadowing cookie (for example <code>xactor_authorizing</code>) with <code>Domain=.example.com</code> that flows unvalidated into the admin's LiveSocket connect params. The fix matches cookie names by exact equality.</p>\n<p>This issue affects ash_admin: from 0.9.1 before 1.3.1.</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": "Reliance on Cookies without Validation and Integrity Checking vulnerability in ash-project ash_admin lets an attacker who controls a sibling subdomain rebind an admin's session to a different actor, tenant, or authorization mode.\n\nAshAdmin's client JavaScript read its state cookies (`tenant`, `actor_resource`, `actor_primary_key`, `actor_action`, `actor_domain`, `actor_authorizing`, `actor_paused`) by matching the cookie name with an unanchored regular expression (`new RegExp(name + \"=([^;]+)\")`) against the whole `document.cookie`. Any cookie whose name merely ends with the requested name therefore matches, and whichever is serialized first wins. Because cookies are shared across a registrable domain, a compromised sibling subdomain can set a shadowing cookie (for example `xactor_authorizing`) with `Domain=.example.com` that flows unvalidated into the admin's LiveSocket connect params. The fix matches cookie names by exact equality.\n\nThis issue affects ash_admin: from 0.9.1 before 1.3.1."
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}
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],
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"value": "Reliance on Cookies without Validation and Integrity Checking vulnerability in ash-project ash_admin lets an attacker who controls a sibling subdomain rebind an admin's session to a different actor, tenant, or authorization mode.\n\nAshAdmin's client JavaScript read its state cookies (tenant, actor_resource, actor_primary_key, actor_action, actor_domain, actor_authorizing, actor_paused) by matching the cookie name with an unanchored regular expression (new RegExp(name + \"=([^;]+)\")) against the whole document.cookie. Any cookie whose name merely ends with the requested name therefore matches, and whichever is serialized first wins. Because cookies are shared across a registrable domain, a compromised sibling subdomain can set a shadowing cookie (for example xactor_authorizing) with Domain=.example.com that flows unvalidated into the admin's LiveSocket connect params. The fix matches cookie names by exact equality.\n\nThis issue affects ash_admin: from 0.9.1 before 1.3.1."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-31",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies"
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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": 8.3,
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"baseSeverity": "HIGH",
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"privilegesRequired": "NONE",
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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:N/UI:N/VC:L/VI:H/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": "HIGH",
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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-565",
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"description": "CWE-565 Reliance on Cookies without Validation and Integrity Checking",
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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": "2026-08-31T02:20:17.985Z"
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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_admin/security/advisories/GHSA-3259-55fp-w94j"
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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-2026-75757.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-2026-75757"
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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_admin/commit/e93a3408a85035e1f90275d02bc2470c96095e56"
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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": "AshAdmin cookie reader matches names by substring, enabling actor/session shadowing from a sibling subdomain"
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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_admin/security/advisories/GHSA-3259-55fp-w94j",
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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": "2026-08-31T14:50:38.307857Z",
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"id": "CVE-2026-75757",
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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": "2026-08-31T14:50:59.043Z"
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}
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}
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]
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}
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} |