CVE-2026-28471
OpenClaw 2026.1.14-1 < 2026.2.2 - Allowlist Bypass via displayName and Cross-Homeserver localpart Matching in Matrix Plugin
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
OpenClaw version 2026.1.14-1 prior to 2026.2.2, with the Matrix plugin installed and enabled, contain a vulnerability in which DM allowlist matching could be bypassed by exact-matching against sender display names and localparts without homeserver validation. Remote Matrix users can impersonate allowed identities by using attacker-controlled display names or matching localparts from different homeservers to reach the routing and agent pipeline.
| CWE | CWE-287 |
| Vendor | openclaw |
| Product | openclaw |
| Published | Mar 5, 2026 |
| Last Updated | Mar 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
OpenClaw / OpenClaw
2026.1.14-1 < 2026.2.2
References
github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-rmxw-jxxx-4cpc github.com: https://github.com/openclaw/openclaw/commit/8f3bfbd1c4fb967a2ddb5b4b9a05784920814bcf vulncheck.com: https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-displayname-and-cross-homeserver-localpart-matching-in-matrix
Credits
🔍 @MegaManSec (https://joshua.hu) of AISLE Research Team