CVE-2026-33578

4.3 MEDIUM
Published: March 31, 2026 Modified: April 01, 2026
View on NVD

Description

OpenClaw before 2026.3.28 contains a sender policy bypass vulnerability in the Google Chat and Zalouser extensions where route-level group allowlist policies silently downgrade to open policy. Attackers can exploit this policy resolution flaw to bypass sender restrictions and interact with bots despite configured allowlist restrictions.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/openclaw/openclaw/commit/e64a881ae0fb8af18e451163f4c2d611d60cc8e4
Source: disclosure@vulncheck.com
Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-63mg-xp9j-jfcm
Source: disclosure@vulncheck.com
Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-sender-policy-allowlist-bypass-via-policy-downgrade-in-google-chat-and-zalouser-extensions
Source: disclosure@vulncheck.com
Third Party Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.3 / 10.0
EPSS (Exploit Probability)
0.0%
1th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-863

Affected Vendors

openclaw

Related CVEs

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CVE-2026-6711 6.1
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