CVE-2026-126404
Coder from 2.38.0 before 2.38.4 Privilege Escalation via API Key Creation
Coder 2.28.0 before 2.29.24, 2.30.0 before 2.34.16, 2.35.0 before 2.36.11, 2.37.0 before 2.37.8, and 2.38.0 before 2.38.4 does not restrict new API keys to the creating token's scopes, allow list, or expiry. A scoped API key or OAuth2 token holding key-creation permission can call POST /api/v2/users/{user}/keys/tokens to mint longer-lived coder:all keys, gaining the user's full privileges.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| coder coder github.com/coder/coder/v2
golang |
≥ 2.38.0; < 2.38.4 (affected, semver) 2.38.4 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
| coder coder github.com/coder/coder/v2
golang |
≥ 2.37.0; < 2.37.8 (affected, semver) 2.37.8 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
| coder coder github.com/coder/coder/v2
golang |
≥ 2.36.0; < 2.36.11 (affected, semver) 2.36.11 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
| coder coder github.com/coder/coder/v2
golang |
≥ 2.30.0; < 2.34.16 (affected, semver) 2.34.16 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
| coder coder github.com/coder/coder/v2
golang |
≥ 2.28.0; < 2.29.24 (affected, semver) 2.29.24 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
| coder coder github.com/coder/coder/v2
golang |
≥ 2.35.0; < 2.36.0 (affected, semver) 2.36.0 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 7.6 high |
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 6.8 medium |
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N | CNA: VulnCheck |
| 4.0 / 7.6 high |
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD: [email protected] |
| 3.1 / 6.8 medium |
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N | NVD: [email protected] |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/coder/coder/security/advisories/GHSA-x3gf-xv6p-56hfCNA: VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/coder-from-2.38.0-before-2.38.4-privilege-escalation-via-api-key-creationCNA: VulnCheck · third-party-advisory
- https://github.com/coder/coder/security/advisories/GHSA-x3gf-xv6p-56hf[email protected]
- https://www.vulncheck.com/advisories/coder-from-2.38.0-before-2.38.4-privilege-escalation-via-api-key-creation[email protected]
For agents and automation
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Endpoints and access details
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