AI agent vulnerability · OpenClaw

CVE-2026-33576: OpenClaw: Zalo channel downloads media before sender authorization

mediumCVSS 4.0 6.9 · 3.1 9.8GHSA-v2v2-f783-358j

Summary The Zalo image path fetched and stored inbound media before the DM/pairing authorization checks ran. Impact Unauthorized senders could force network fetches and disk writes in the inbound media store even when the message itself was rejected. Affected Component extensions/zalo/src/monitor.ts Fixed Versions - Affected: = 2026.3.28 - Latest stable 2026.3.28 contains the fix.

Published Mar 31, 2026 · Updated Apr 6, 2026

Affected packages

openclaw

Ecosystem: npm
Affected: <= 2026.3.24
Fixed in: 2026.3.28
Check: npm ls openclaw

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Summary

The Zalo image path fetched and stored inbound media before the DM/pairing authorization checks ran.

Impact

Unauthorized senders could force network fetches and disk writes in the inbound media store even when the message itself was rejected.

Affected Component

extensions/zalo/src/monitor.ts

Fixed Versions

Affected: <= 2026.3.24
Patched: >= 2026.3.28
Latest stable 2026.3.28 contains the fix.

Fix

Fixed by commit 68ceaf7a5f (zalo: gate image downloads before DM auth).

OpenClaw thanks @AntAISecurityLab for reporting.

Credited to AntAISecurityLab.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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