by Kastro
Paper/Archive/CVE-2026-32913

CVE-2026-32913

OpenClaw OpenClaw — OpenClaw < 2026.3.7 - Custom Authorization Header Leakage via Cross-Origin Redirects

EPSS 0.3%CVSS 9.3
critical.is priorityof 100
33
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 25.2.252 × 205.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
OpenClaw< 2026.3.72026.3.7CNA

Scores by source

VulnCheck (CNA)9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
VulnCheck (CNA)8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

advisorygithub.com/openclaw/openclaw/security/advisories/GHSA-6mgf-v5j7-45crpatchgithub.com/openclaw/openclaw/commit/46715371b0612a6f9114dffd1466941ac476cef5writeupvulncheck.com/advisories/openclaw-mar-custom-authorization-header-leakage-via-cross-origin-redirects