CVE-2026-32913

high

Description

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.

References

https://vulncheck.com/advisories/openclaw-mar-custom-authorization-header-leakage-via-cross-origin-redirects

https://github.com/openclaw/openclaw/security/advisories/GHSA-6mgf-v5j7-45cr

https://github.com/openclaw/openclaw/commit/46715371b0612a6f9114dffd1466941ac476cef5

Details

Source: Mitre, NVD

Published: 2026-03-23

Updated: 2026-03-24

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

CVSS v4

Base Score: 8.8

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N

Severity: High

EPSS

EPSS: 0.00028