Description
OpenClaw before 2026.4.22 contains a server-side request forgery vulnerability in the Zalo plugin's sendPhoto function that fails to validate outbound photo URLs through the SSRF guard. Attackers can bypass SSRF protection by providing malicious photo URLs to the Zalo Bot API, enabling unauthorized access to internal resources.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OpenClaw | OpenClaw | < 2026.4.22 | 2026.4.22 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | openclaw | < 2026.4.22 | 2026.4.22 | GHSA-2hh7-c75g-qj2r |
Advisories 1
- WID-SEC-2026-1253 OpenClaw: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 11, 2026
References
- GitHub Security Advisory (GHSA-2hh7-c75g-qj2r) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw < 2026.4.22 - Server-Side Request Forgery in Zalo Photo URL Validation third-party-advisory