604 lines
23 KiB
JSON
604 lines
23 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-2026-19931",
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"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
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"state": "PUBLISHED",
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"assignerShortName": "curl",
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"dateReserved": "2026-08-15T10:35:02.789Z",
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"datePublished": "2026-09-06T17:47:43.523Z",
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"dateUpdated": "2026-09-15T06:02:51.009Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
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"shortName": "curl",
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"dateUpdated": "2026-09-15T06:02:51.009Z"
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},
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"title": "Negotiate ambient user conn reuse",
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw in libcurl makes it wrongly reuse an HTTP connection setup for a given\nhostname using Negotiate authentication, when the initial request is done\nusing empty credentials. This can make user B's request get sent over user A's\npreviously authenticated connection."
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}
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],
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"affected": [
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{
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"vendor": "curl",
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"product": "curl",
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"versions": [
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{
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"version": "7.64.1",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "8.14.2"
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},
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{
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"version": "8.15.0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "8.16.1"
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},
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{
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"version": "8.17.0",
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"versionType": "semver",
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"lessThan": "8.20.1"
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},
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{
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"version": "8.21.0",
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"status": "affected",
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"lessThan": "8.22.0"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "curl",
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{
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}
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},
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{
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"vendor": "curl",
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{
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{
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{
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{
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{
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{
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{
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"version": "8.5.0",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"version": "7.88.1",
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{
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"version": "7.88.0",
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{
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"version": "7.87.0",
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"status": "affected"
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{
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"version": "7.86.0",
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"status": "affected"
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{
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"version": "7.85.0",
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{
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"version": "7.84.0",
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{
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{
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{
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{
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{
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"defaultStatus": "unaffected"
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}
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],
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"references": [
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{
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"url": "https://curl.se/docs/CVE-2026-19931.json"
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},
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{
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"url": "https://curl.se/docs/CVE-2026-19931.html"
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},
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{
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"url": "https://hackerone.com/reports/3923520"
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}
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],
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"x_osv": {
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"schema_version": "1.5.0",
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"id": "CURL-CVE-2026-19931",
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"aliases": [
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"CVE-2026-19931"
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],
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"summary": "Negotiate ambient user conn reuse",
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"modified": "2026-09-07T10:34:51.00Z",
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"database_specific": {
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"package": "curl",
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"affects": "both",
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"URL": "https://curl.se/docs/CVE-2026-19931.json",
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"www": "https://curl.se/docs/CVE-2026-19931.html",
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"issue": "https://hackerone.com/reports/3923520",
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"CWE": {
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"id": "CWE-488",
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"desc": "Exposure of Data Element to Wrong Session"
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},
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"last_affected": "8.21.0",
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"severity": "Medium"
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},
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"published": "2026-09-02T08:00:00.00Z",
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"affected": [
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{
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{
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{
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{
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}
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{
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]
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}
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],
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"credits": [
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{
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"name": "Martin Dukek",
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"type": "finder"
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},
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{
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"name": "Stefan Eissing",
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"type": "remediation developer"
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}
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],
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"details": "A flaw in libcurl makes it wrongly reuse an HTTP connection setup for a given\nhostname using Negotiate authentication, when the initial request is done\nusing empty credentials. This can make user B's request get sent over user A's\npreviously authenticated connection."
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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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"lang": "en",
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"description": "Exposure of Data Element to Wrong Session",
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"cweId": "CWE-488",
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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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"credits": [
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{
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"lang": "en",
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"value": "Martin Dukek",
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{
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"lang": "en",
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"value": "Stefan Eissing",
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"type": "remediation developer"
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}
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"x_generator": {
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}
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"adp": [
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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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"type": "CWE",
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"cweId": "CWE-488",
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"lang": "en",
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"description": "CWE-488 Exposure of Data Element to Wrong Session"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://hackerone.com/reports/3923520",
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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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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 9.8,
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"attackVector": "NETWORK",
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"baseSeverity": "CRITICAL",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
|
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"privilegesRequired": "NONE",
|
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"confidentialityImpact": "HIGH"
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}
|
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},
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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": "2026-09-08T15:42:15.881334Z",
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"id": "CVE-2026-19931",
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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": "yes"
|
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},
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{
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"Technical Impact": "total"
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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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|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-09-08T15:42:43.125Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |