CVE-2026-44116: OpenClaw < 2026.4.22 - Server-Side Request Forgery in Zalo Photo URL Validation

Severity: high (CVSS 8.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-06 · updated 2026-06-17
Weakness: CWE-918

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

OpenClaw: before 2026.4.22 — fixed in 2026.4.22

How to fix

Upgrade to a fixed version: OpenClaw 2026.4.22. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/a65eb1b864b7630c1242a82de9e5799b80583c3f
https://github.com/openclaw/openclaw/security/advisories/GHSA-2hh7-c75g-qj2r
https://www.vulncheck.com/advisories/openclaw-server-side-request-forgery-in-zalo-photo-url-validation

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