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CVE-2026-121967VulnerabilityPublished

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

Source GCVE Database

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Authoritative record:CVE-2026-121967· Low 2.3

Not known to be exploited · CVSS 2.3 Low : upgrade to 2.37.5 when convenient.

Data as of 4 Nov 2026, 19:45 UTC

CVSS 4.0 base score
2.3Low
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.02.3
CNA (VulnCheck)CVSS 3.14.9
Patch
Available – fixed in 2.37.5, 2.36.8, 2.35.10 +3
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
codercoderAffected
  • >=2.37.0 <2.37.5
Fixed in
  • 2.37.5
codercoderAffected
  • >=2.36.0 <2.36.8
Fixed in
  • 2.36.8
codercoderAffected
  • >=2.35.0 <2.35.10
Fixed in
  • 2.35.10
codercoderAffected
  • >=2.30.0 <2.34.13
Fixed in
  • 2.34.13
codercoderAffected
  • >=2.28.0 <2.29.22
Fixed in
  • 2.29.22
codercoderAffected
  • >=2.38.0 <2.38.1
Fixed in
  • 2.38.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Fixed versions are indicated by the version ranges in the description (e.g., 2.29.22, 2.34.13, 2.35.10, 2.36.8, 2.37.5, 2.38.1). Users should upgrade to these or later versions to remediate the vulnerability. No vendor advisory or patch links were provided, so confirm patch availability and upgrade guidance from official vendor sources.

Description

Coder versions 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 contain a path traversal vulnerability in the AI Gateway passthrough router. This vulnerability allows authenticated users to send percent-encoded dot segments in paths to access unintended provider endpoints using the deployment's centrally managed provider key.

References

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