Traefik: HTTP/2 frames can cause a running server to panic
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
- Denial of service
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-476.
Summary
## Summary More Details: - https://nvd.nist.gov/vuln/detail/CVE-2026-27141 - https://pkg.go.dev/golang.org/x/net/http2?tab=versions ## Patches - https://github.com/traefik/traefik/releases/tag/v3.6.10 - https://github.com/traefik/traefik/releases/tag/v2.11.40 ## For more information If you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | github.com/traefik/traefik/v2 (Go) | before 2.11.40 | 2.11.40 | Patch available | GHSA-4hjq-9h5c-252j |
| — | github.com/traefik/traefik/v3 (Go) | before 3.6.10 | 3.6.10 | Patch available | GHSA-4hjq-9h5c-252j |
- github.com/traefik/traefik/v2 (Go) Vendor— Affected before 2.11.40 Fixed in 2.11.40 Patch available GHSA-4hjq-9h5c-252j
- github.com/traefik/traefik/v3 (Go) Vendor— Affected before 3.6.10 Fixed in 3.6.10 Patch available GHSA-4hjq-9h5c-252j
Remediation
- Fix · GHSA-4hjq-9h5c-252j github.com/traefik/traefik/v2 (Go) Fixed in 2.11.40 Advisory →
- Fix · GHSA-4hjq-9h5c-252j github.com/traefik/traefik/v3 (Go) Fixed in 3.6.10 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-4hjq-9h5c-252j
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences