CVE-2026-41376

MEDIUM

OpenClaw < 2026.3.31 - Matrix Thread Context Allowlist Bypass via Sender Validation

Title source: cna

Description

OpenClaw before 2026.3.31 contains an allowlist bypass vulnerability in Matrix thread root and reply context handling that fails to properly validate message senders. Attackers can fetch thread-root and reply context messages that should be filtered by sender allowlists, bypassing access controls.

References (3)

[Vendor Advisory] https://github.com/openclaw/openclaw/security/advisories/GHSA-rg8m-3943-vm6q

[Patch] https://github.com/openclaw/openclaw/commit/8a563d603b70ef6338915f0527bee87282c3bad5

View Patch ZIP pw:eip

[Third Party Advisory] https://www.vulncheck.com/advisories/openclaw-matrix-thread-context-allowlist-bypass-via-sender-validation

Scores

CVSS v3 5.4

EPSS 0.0001

EPSS Percentile 2.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-346

Status published

Products (2)

OpenClaw/OpenClaw < 2026.3.31

OpenClaw/OpenClaw 2026.3.31

Published Apr 28, 2026

Tracked Since Apr 29, 2026