GHSA-gv8r-9rw9-9697 — traefik
CRITICALGHSA-gv8r-9rw9-9697 is a critical-severity (CVSS 10) vulnerability in github.com/traefik/traefik. A fix is available for github.com/traefik/traefik — see the affected versions and patch details below.
Traefik affected by TLS ClientAuth Bypass on HTTP/3
Real-World Exposure
github.com/traefik/traefik🐹github.com/traefik/traefik/v2🐹github.com/traefik/traefik/v3Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.
Description
Summary
There is a potential vulnerability in Traefik managing HTTP/3 connections.
More details in the CVE-2025-68121.
Patches
- https://github.com/traefik/traefik/releases/tag/v2.11.37
- https://github.com/traefik/traefik/releases/tag/v3.6.8
Workarounds
No workaround
For more information
If you have any questions or comments about this advisory, please open an issue.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐹Go | github.com/traefik/traefik | all versions | No fix |
| 🐹Go | github.com/traefik/traefik/v2 | all versions | 2.11.37go get github.com/traefik/traefik/v2@v2.11.37 |
| 🐹Go | github.com/traefik/traefik/v3 | all versions | 3.6.8go get github.com/traefik/traefik/v3@v3.6.8 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/traefik/traefik, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
No patched version of github.com/traefik/traefik has shipped for GHSA-gv8r-9rw9-9697 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-gv8r-9rw9-9697 can be triaged on real exposure rather than presence alone.
Tailored to GHSA-gv8r-9rw9-9697. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-gv8r-9rw9-9697 in your dependencies?
O3 Security finds GHSA-gv8r-9rw9-9697 across Go dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.