GHSA-gv8r-9rw9-9697
CRITICALTraefik affected by TLS ClientAuth Bypass on HTTP/3
Blast Radius
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 | 2.11.37 |
| 🐹Go | github.com/traefik/traefik/v3 | all versions | 3.6.8 |
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. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
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 pinpoints whether GHSA-gv8r-9rw9-9697 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
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 detects GHSA-gv8r-9rw9-9697 across Go dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.