PT-2026-35761 · Openclaw · Openclaw

Antaisecuritylab · CVE-2026-41376 · Published 2026-04-02 · Updated 2026-05-23

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.3.31

Description An allowlist bypass exists in Matrix thread root and reply context handling due to improper validation of message senders. This allows attackers to fetch thread-root and reply context messages that should be filtered by sender allowlists, effectively bypassing access controls.

Recommendations Update to version 2026.3.31.

Exploit

Fix

RCE

Origin Validation Error

Incorrect Authorization

Weakness Enumeration

CWE-346

CWE-863

Related Identifiers

CVE-2026-41376

GHSA-RG8M-3943-VM6Q

Affected Products

Openclaw

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41376.json · Exploit
• https://github.com/openclaw/openclaw/security/advisories/GHSA-rg8m-3943-vm6q · Vendor Advisory
• https://github.com/openclaw/openclaw/commit/8a563d603b70ef6338915f0527bee87282c3bad5 · Patch
• https://osv.dev/vulnerability/GHSA-rg8m-3943-vm6q · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-41376 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-41376 · Security Note
• https://github.com/openclaw/openclaw · Note
• https://github.com/openclaw/openclaw/releases/tag/v2026.3.31 · Note
• https://t.me/cveNotify/161760 · Telegram Post
• https://twitter.com/Ug_0Security/status/2058330525291446666 · Twitter Post
• https://vulncheck.com/advisories/openclaw-matrix-thread-context-allowlist-bypass-via-sender-validation · Note
• https://twitter.com/CVEnew/status/2049227544931467331 · Twitter Post