CVE-2026-32913

EUVD-2026-14599 · Published Mar 23, 2026

OpenClaw before 2026.3.7 contains an improper header validation vulnerability in fetchWithSsrFGuard that forwards custom authorization headers across cross-origin redirects. Attackers can trigger redirects to different origins to intercept sensitive headers like X-Api-Key and Private-Token intended for the original destination.

Technologies

Openclaw Openclaw

Weaknesses

CWE-522CWE-184CWE-116

CVSS scores

v4.08.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/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
v3.19.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

MITRE ATT&CK

Inferred

Where this vulnerability fits in an attack

ReconImpact

Initial Access

T1190Exploit Public-Facing Application

References

https://github.com/openclaw/openclaw/commit/46715371b0612a6f9114dffd1466941ac476cef5
https://github.com/openclaw/openclaw/security/advisories/GHSA-6mgf-v5j7-45cr
https://vulncheck.com/advisories/openclaw-mar-custom-authorization-header-leakage-via-cross-origin-redirects
https://nvd.nist.gov/vuln/detail/CVE-2026-32913
https://github.com/openclaw/openclaw
https://github.com/openclaw/openclaw/releases/tag/v2026.3.7

Potentially impacted assets

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