CVE-2026-33578

low-risk
Published 2026-03-31

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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Openclaw

References (3)

Patch https://github.com/openclaw/openclaw/commit/e64a881ae0fb8af18e451163f4c2d611d60c...
Vendor Advisory https://github.com/openclaw/openclaw/security/advisories/GHSA-63mg-xp9j-jfcm
Third Party Advisory https://www.vulncheck.com/advisories/openclaw-sender-policy-allowlist-bypass-via...
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal