192 lines
7.7 KiB
JSON
192 lines
7.7 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-2026-85597",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-09-04T11:00:28.730Z",
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"datePublished": "2026-09-04T11:30:00.783Z",
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"dateUpdated": "2026-10-08T15:51:49.372Z"
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},
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"containers": {
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"cna": {
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"shortName": "VulnCheck",
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"dateUpdated": "2026-10-08T15:51:49.372Z"
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},
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"datePublic": "2026-08-21T00:00:00.000Z",
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"title": "Traefik before v2.11.55 and v3.0.0 through v3.7.10 mTLS Bypass via TLS Option Conflict",
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"descriptions": [
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{
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"lang": "en",
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"value": "Traefik before v2.11.55 and v3.0.0 through v3.7.10 contain a TLS option conflict resolution vulnerability that allows unauthenticated attackers to bypass client-certificate authentication by creating conflicting TLS options on multi-host routers. Attackers can reach protected backends by exploiting shared TLS resolution across multiple hostnames in a single router rule, causing the strict mTLS requirement to fall back to default options for all hosts."
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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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"lang": "en",
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"description": "Incorrect Authorization",
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"cweId": "CWE-863",
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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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"affected": [
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{
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"vendor": "traefik",
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"product": "traefik",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:golang/github.com/traefik/traefik/v2",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "2.11.55"
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},
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{
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"version": "2.11.55",
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"status": "unaffected",
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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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"vendor": "traefik",
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"product": "traefik",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:golang/github.com/traefik/traefik/v3",
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"versions": [
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{
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"version": "3.0.0",
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"status": "affected",
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"versionType": "semver",
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"lessThanOrEqual": "3.7.10"
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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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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "2.11.55"
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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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"nodes": [
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"versionStartIncluding": "3.0.0",
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"versionEndIncluding": "3.7.12"
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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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"metrics": [
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{
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"format": "CVSS",
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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 8.2,
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"baseSeverity": "HIGH"
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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://github.com/traefik/traefik/security/advisories/GHSA-g55h-rg46-x9c5",
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"tags": [
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"vendor-advisory"
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],
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"name": "GitHub Security Advisory (GHSA-g55h-rg46-x9c5)"
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},
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{
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"name": "VulnCheck Advisory: Traefik before v2.11.55 mTLS Bypass via TLS Option Conflict",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/traefik-before-2.11.55-mtls-bypass-via-tls-option-conflict"
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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": "james-yusuke",
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"type": "reporter"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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}
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},
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"adp": [
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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": "2026-09-04T18:03:53.030722Z",
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"id": "CVE-2026-85597",
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"options": [
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{
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"Exploitation": "none"
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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": "2026-09-04T18:04:02.286Z"
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}
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}
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]
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}
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} |