CVE-2026-41406

MEDIUM 5.4

OpenClaw < 2026.3.31 - Sender Allowlist Bypass via Thread History and Quoted Messages

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability that allows remote attackers to access restricted messages. Attackers can exploit fetched quoted, root, and thread context messages to bypass sender allowlist restrictions and retrieve unauthorized content.

CWE	CWE-639
Vendor	openclaw
Product	openclaw
Published	Apr 28, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

OpenClaw / OpenClaw

0 < 2026.3.31

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-877v-w3f5-3pcq github.com: https://github.com/openclaw/openclaw/commit/f45e5a6569aab1d58cc6de25b19f1dc4c8779b85 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-via-thread-history-and-quoted-messages

Credits

🔍 AntAISecurityLab