CVE-2026-41406

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

State: Published
Severity: 2.3 Low
Published: Apr 28, 2026
Updated: Apr 29, 2026
Reserved: Apr 20, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	2.3 Low	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N	VulnCheck

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.3.31Affected 2026.3.31Not affected

References

GitHub Security Advisory (GHSA-877v-w3f5-3pcq)vendor-advisory
Patch Commitpatch
VulnCheck Advisory: OpenClaw < 2026.3.31 - Sender Allowlist Bypass via Thread History and Quoted Messagesthird-party-advisory

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