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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.

PUBLISHED Reserved 2026-03-16 | Published 2026-03-23 | Updated 2026-03-24 | Assigner VulnCheck




HIGH: 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

CRITICAL: 9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Problem types

CWE-522 Insufficiently Protected Credentials

Product status

Default status
unaffected

Any version before 2026.3.7
affected

2026.3.7 (semver)
unaffected

Credits

Elvin Latifli (@Rickidevs) reporter

References

github.com/...enclaw/security/advisories/GHSA-6mgf-v5j7-45cr (GitHub Security Advisory (GHSA-6mgf-v5j7-45cr)) third-party-advisory

github.com/...ommit/46715371b0612a6f9114dffd1466941ac476cef5 (Patch Commit) patch

vulncheck.com/...n-header-leakage-via-cross-origin-redirects (VulnCheck Advisory) third-party-advisory

cve.org (CVE-2026-32913)

nvd.nist.gov (CVE-2026-32913)

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