CVE-2026-41246
high
CVSS v3
8.1
CVSS v4 NEW
—
VIR risk
8.1
Description
Contour has Lua code injection via Cookie Path Rewrite Policy
Predictions
Exploit likelihood
88%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/projectcontour/contour | >=1.19.0,<1.31.6 | 1.31.6 |
| Go | github.com/projectcontour/contour | >=1.32.0,<1.32.5 | 1.32.5 |
| Go | github.com/projectcontour/contour | >=1.33.0,<1.33.4 | 1.33.4 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| projectcontour | contour | {"startIncluding":"1.19.0","endExcluding":"1.31.6"} | 1.31.6 |
References
- https://github.com/projectcontour/contour/releases/tag/v1.31.6
- https://github.com/projectcontour/contour/releases/tag/v1.32.5
- https://github.com/projectcontour/contour/releases/tag/v1.33.4
- https://github.com/projectcontour/contour/security/advisories/GHSA-x4mj-7f9g-29h4
- https://nvd.nist.gov/vuln/detail/CVE-2026-41246
- https://github.com/projectcontour/contour
- https://projectcontour.io/docs/1.33/config/cookie-rewriting
- https://www.envoyproxy.io/docs/envoy/latest/configuration/http/http_filters/lua_filter
CWEs
CWE-94
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.