{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-119574 in the wild and no public exploit code.","exposure":"","fix":"No fix has been published for CVE-2026-119574 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-119574 is a high-severity vulnerability in Traefik, published on 30 Oct 2026."},"fix_prompt":"Check this codebase for CVE-2026-119574 and fix it if it is affected.\n\nWhat it is: CVE-2026-119574 is a high-severity vulnerability in Traefik, published on 30 Oct 2026. \nExploitation: There is no known exploitation of CVE-2026-119574 in the wild and no public exploit code.\n\nAffected product: Traefik. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-119574/ (Markdown: https://insights.sbomify.com/CVE-2026-119574/index.md)","id":"CVE-2026-119574","markdown":"https://insights.sbomify.com/CVE-2026-119574/index.md","name":"CVE-2026-119574","record":{"aliases":["GHSA-r4c9-879g-3g2v","GHSA-ww7c-q3mv-xx22"],"analysis":null,"analysis_generated_by":null,"assigner":"VulnCheck","cpe":[{"name":"Traefik","product":"traefik","vendor":"traefik"}],"cvss":{"score":8.2,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-567","name":"Unsynchronized Access to Shared Data in a Multithreaded Context"}],"description":"Traefik from 3.2.0 before 3.7.15 contains a data race in the experimental FastProxy that allows unauthenticated attackers to crash the process by abusing HTTP/1 protocol upgrades. Attackers can repeatedly open and abort upgraded connections such as WebSocket, corrupting the unsynchronized shared bufio.Reader and triggering an unrecovered panic that terminates Traefik.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"Traefik 3.2.0 before 3.7.15 FastProxy Data Race Denial of Service","id":"CVE-2026-119574","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"traefik:traefik","products":["traefik:traefik"],"type":null,"year":"2026"},"n_packages":0,"n_references":2,"next":{"headline":"ArcadeDB 26.8.1 before 26.10.2 SSRF via ALTER DATABASE LOAD CSV Block List","id":"CVE-2026-119575"},"nickname":null,"packages":[],"prev":{"headline":"Traefik 3.7.11 before 3.7.15 Cross-Namespace Authorization Bypass via auth-tls-secret","id":"CVE-2026-119573"},"products":["traefik"],"published":"2026-10-30","related":[{"cvss_score":9.8,"headline":"HTTP client can remove the X-Forwarded headers in Traefik","id":"CVE-2024-45410","kev_date_added":null,"published":"2024-09-19"},{"cvss_score":9.3,"headline":"Traefik v3.7.0 Authentication Bypass via from-to-www-redirect","id":"CVE-2026-88877","kev_date_added":null,"published":"2026-09-10"},{"cvss_score":9.3,"headline":"Traefik before v2.11.55 and v3.0.0 through v3.7.10 Authentication Bypass via digestAuth","id":"CVE-2026-85595","kev_date_added":null,"published":"2026-09-04"},{"cvss_score":9.1,"headline":"Traefik HTTP/3 Backend NTLM Connection Reuse","id":"CVE-2026-88007","kev_date_added":null,"published":"2026-09-10"},{"cvss_score":8.8,"headline":"Traefik: Rootless HTTP/1 request-target routes as \"/\" but is forwarded verbatim, bypassing path-scoped routing, middleware guards and access logging","id":"CVE-2026-88009","kev_date_added":null,"published":"2026-09-10"},{"cvss_score":8.8,"headline":"Traefik has a possible vulnerability with the path matchers","id":"CVE-2025-32431","kev_date_added":null,"published":"2025-04-21"},{"cvss_score":8.7,"headline":"Traefik - Denial of Service via HTTP/2 Request Handling","id":"CVE-2023-54365","kev_date_added":null,"published":"2026-06-23"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-10-30","vendors":["traefik"]},"summary":null,"url":"https://insights.sbomify.com/CVE-2026-119574/"}