{"id":"CVE-2026-114641","aliases":[],"cve":{"records":[{"id":"CVE-2026-114641","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-21T21:57:36.197Z","published":"2026-10-22T01:43:40.663Z","modified":"2026-10-28T18:58:55.522Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-22T01:43:40.663Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-28T18:58:55.522Z"}],"references":[{"url":"https://github.com/traefik/traefik/security/advisories/GHSA-mhjw-hmjv-p99x","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/traefik-before-2.11.58-and-3.7.14-race-condition-in-ntlm-kerberos-round-tripper","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-362","description":"Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*","versionStartIncluding":"2.11.0","versionEndExcluding":"2.11.58"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0.0","versionEndExcluding":"3.7.14"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-28T18:58:45.880252Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Traefik before 2.11.58 and 3.7.14 Race Condition in NTLM/Kerberos Round Tripper","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"Traefik 2.11.x before 2.11.58 and 3.x before 3.7.14 contains a race condition in NTLM and Kerberos (Negotiate) backend authentication, where the per-connection sticky round tripper slot is read and written without synchronization. Remote attackers can send concurrent HTTP/2 or HTTP/3 requests over one connection to orphan backend connections, break connection-bound authentication, or crash Traefik.","score":6.3,"severity":"medium","published":"2026-10-22T01:43:40.663Z","modified":"2026-10-28T18:58:55.522Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"traefik","name":"traefik","platforms":[],"versions":[{"version":"2.11.0","status":"affected","lessThan":"2.11.58","versionType":"semver"},{"version":"2.11.58","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:golang/github.com/traefik/traefik/v2","packageIdentity":{"ecosystem":"Go","name":"github.com/traefik/traefik/v2"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-114641"},{"vendor":"traefik","name":"traefik","platforms":[],"versions":[{"version":"3.0.0","status":"affected","lessThan":"3.7.14","versionType":"semver"},{"version":"3.7.14","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:golang/github.com/traefik/traefik/v3","packageIdentity":{"ecosystem":"Go","name":"github.com/traefik/traefik/v3"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-114641"}],"remediation":[],"references":["https://github.com/traefik/traefik/security/advisories/GHSA-mhjw-hmjv-p99x","https://www.vulncheck.com/advisories/traefik-before-2.11.58-and-3.7.14-race-condition-in-ntlm-kerberos-round-tripper"],"sources":[{"name":"CVE","id":"CVE-2026-114641","modified":"2026-10-28T18:58:55.522Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-114641"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.3},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","score":3.7}],"sourceAffected":[],"observedAt":"2026-10-29T14:34:07.230Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T09:45:32.074Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"Traefik versions before 2.11.58 and 3.7.14 have a race condition in NTLM and Kerberos authentication. Remote attackers can send concurrent requests to break connection-bound authentication or crash Traefik. Affected versions include 2.11.0 to 2.11.57 and 3.0.0 to 3.7.13.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:54:13.036Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-114641"}]}}