01 Record
CVE-2026-41246
Contour: Lua code injection via Cookie Path Rewrite Policy
HighPUBLISHEDCNA: GitHub_M
CNA base score8.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
02 Description
Contour: Lua code injection via Cookie Path Rewrite Policy
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 41.9% of scored records. A rank, not a probability.
- NVD base score
- 8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-10-26.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-04-23 18:44Z6 MO AGO
- Last updated
- 2026-07-15 00:59Z3 MO AGO
- Reserved
- 2026-04-18
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Weaknesses
- CWE-94Improper Control of Generation of Code ('Code Injection')Base
- Data version
- 5.2
- Document digest
- 9a7375f4248375b3c541cc1efc366f8a01c960f64f60d587abc32975ef0a7bd2
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/projectcontour/contour/security/advisories/GHSA-x4mj-7f9g-29h4
- github.comhttps://github.com/projectcontour/contour/releases/tag/v1.31.6
- github.comhttps://github.com/projectcontour/contour/releases/tag/v1.32.5
- github.comhttps://github.com/projectcontour/contour/releases/tag/v1.33.4
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-41246
- bugzilla.redhat.comRHBZ#2461257https://bugzilla.redhat.com/show_bug.cgi?id=2461257
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41246.json