CVE-2026-28471

EUVD-2026-9917
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
openclawopenclaw
2026.1.14-1 ≤
𝑥
< 2026.2.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/openclaw/openclaw/commit/8f3bfbd1c4fb967a2ddb5b4b9a05784920814bcf
https://github.com/openclaw/openclaw/security/advisories/GHSA-rmxw-jxxx-4cpc
https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-displayname-and-cross-homeserver-localpart-matching-in-matrix