Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-rg8m-3943-vm6q
Advisory ID github_osv/GHSA-rg8m-3943-vm6q
Aliases CVE-2026-41376
Summary OpenClaw: Matrix thread root and reply context bypass sender allowlist ## Summary Matrix thread root and reply context bypass sender allowlist ## Current Maintainer Triage - Status: open - Normalized severity: medium - Assessment: Real in shipped v2026.3.28 Matrix because fetched thread-root/reply context bypasses sender allowlists, with unreleased mainline filtering fix. ## Affected Packages / Versions - Package: `openclaw` (npm) - Latest published npm version: `2026.3.31` - Vulnerable version range: `<=2026.3.28` - Patched versions: `>= 2026.3.31` - First stable tag containing the fix: `v2026.3.31` ## Fix Commit(s) - `8a563d603b70ef6338915f0527bee87282c3bad5` — 2026-03-31T17:09:03+01:00 OpenClaw thanks @AntAISecurityLab for reporting.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-346 Origin Validation Error
CWE-863 Incorrect Authorization
System Score Found at
cvssv3.1 6.5 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rg8m-3943-vm6q/GHSA-rg8m-3943-vm6q.json
cvssv4 2.3 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rg8m-3943-vm6q/GHSA-rg8m-3943-vm6q.json
generic_textual LOW
Reference id Reference type URL
https://github.com/openclaw/openclaw
https://github.com/openclaw/openclaw/commit/8a563d603b70ef6338915f0527bee87282c3bad5
https://github.com/openclaw/openclaw/releases/tag/v2026.3.31
https://github.com/openclaw/openclaw/security/advisories/GHSA-rg8m-3943-vm6q
https://www.vulncheck.com/advisories/openclaw-matrix-thread-context-allowlist-bypass-via-sender-validation
CVE-2026-41376 https://nvd.nist.gov/vuln/detail/CVE-2026-41376
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rg8m-3943-vm6q/GHSA-rg8m-3943-vm6q.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: 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 Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rg8m-3943-vm6q/GHSA-rg8m-3943-vm6q.json
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-29T13:33:35Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/41xxx/CVE-2026-41376.json

Source Advisory: vulnrichment/CVE-2026-41376

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]