OpenClaw: Zalo channel downloads media before sender authorization
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
2026.3.28contains the fix.
Fix
Fixed by commit 68ceaf7a5f (zalo: gate image downloads before DM auth).
OpenClaw thanks @AntAISecurityLab for reporting.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | openclaw | < 2026.3.28 | 2026.3.28 |
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
- https://nvd.nist.gov/vuln/detail/CVE-2026-33576
- https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
- https://github.com/openclaw/openclaw
- https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-862, CWE-863- Platform
- npm
- Package
openclaw- Disclosed
- 31.03.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-v2v2-f783-358j - CC BY 4.0
Vulnerability history: openclaw
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 589
- First → latest
- 02.2026 10.2026
- Without a fix
- 9
- Exploited in attacks
- 0
Severity breakdown
- Critical 20
- High 215
- Medium 300
- Low 54
Disclosures per year
- 2026: 589
-
OpenClaw: Zalo channel downloads media before sender authorization this entry
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