Vulnerability · Published Mar 31, 2026 · Assigned by VulnCheck
CVE-2026-33576OpenClaw < 2026.3.28 - Unauthorized Media Download via Zalo Channel
Medium 6.5
In plain English
A medium-severity incorrect authorization in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 69.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization. Unauthorized senders can force network fetches and disk writes to the media store by sending messages that are subsequently rejected.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | 2026.3.28 | GHSA-v2v2-f783-358j |
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
References
- GitHub Security Advisory (GHSA-v2v2-f783-358j) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw < 2026.3.28 - Unauthorized Media Download via Zalo Channel third-party-advisory