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Description

OpenClaw versions prior to 2026.2.22 contain an authorization bypass vulnerability in the Feishu allowFrom allowlist implementation that accepts mutable sender display names instead of enforcing ID-only matching. An attacker can set a display name equal to an allowlisted ID string to bypass authorization checks and gain unauthorized access.

PUBLISHED Reserved 2026-03-10 | Published 2026-03-19 | Updated 2026-03-31 | Assigner VulnCheck




MEDIUM: 6.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Problem types

CWE-863: Incorrect Authorization

Product status

Default status
unaffected

Any version before 2026.2.22
affected

2026.2.22 (semver)
unaffected

Credits

Jisung (@jiseoung) reporter

References

github.com/...enclaw/security/advisories/GHSA-j4xf-96qf-rx69 (GitHub Security Advisory (GHSA-j4xf-96qf-rx69)) third-party-advisory

github.com/...ommit/4ed87a667263ed2d422b9d5d5a5d326e099f92c7 (Patch Commit) patch

www.vulncheck.com/...play-name-collision-in-feishu-allowfrom (VulnCheck Advisory: OpenClaw < 2026.2.22 - Authorization Bypass via Display Name Collision in Feishu allowFrom) third-party-advisory

cve.org (CVE-2026-32021)

nvd.nist.gov (CVE-2026-32021)

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