Vulnerability record/PUBLISHED/Published Nov 4, 2026 15:33:28 UTC
CVE-2026-121967
Coder 2.28.0 before 2.29.22, 2.30.0 before 2.34.13, 2.35.0 before 2.35.10, 2.36.0 before 2.36.8, 2.37.0 before 2.37.5, and 2.38.0 before 2.38.1 contains a path traversal vulnerability in the AI Gateway passthrough router, which forwards percent-encoded dot segments upstream without rejecting them. Authenticated users can send paths such as %2e%2e or ..%2F under allowlisted prefixes to reach unintended provider endpoints using the deployment's centrally managed provider key.
Base score2.3/ 10
SeverityLowCVSS 4.0
Exploitability / impact
CVSS metric breakdown
Base severityLow
Attack vectorNetworkAV
Attack complexityHighAC
Attack requirementsPresentAT
Privileges requiredLowPR
User interactionNoneUI
Vulnerable system confidentialityLowVC
Vulnerable system integrityLowVI
Vulnerable system availabilityNoneVA
Subsequent system confidentialityLowSC
Subsequent system integrityLowSI
Subsequent system availabilityNoneSA
CVSS vector string
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:NCVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.
Record context
CVE Numbering AuthorityVulnCheck
Last updatedNov 4, 2026 18:13:30 UTC
PublishedNov 4, 2026 15:33:28 UTC
ReservedNov 4, 2026 12:48:39 UTC