What’s Vulnerable › Vulnerabilities

CVE-2026-28451: OpenClaw < 2026.2.14 - SSRF via Feishu Extension Media Fetching

• Severity: critical (CVSS 9.3 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: 2026-03-05 · updated 2026-06-17
• Weakness: CWE-918

Description

OpenClaw versions prior to 2026.2.14 contain server-side request forgery vulnerabilities in the Feishu extension that allow attackers to fetch attacker-controlled remote URLs without SSRF protections via sendMediaFeishu function and markdown image processing. Attackers can influence tool calls through direct manipulation or prompt injection to trigger requests to internal services and re-upload responses as Feishu media.

Affected products

• OpenClaw: before 2026.2.14 — fixed in 2026.2.14

How to fix

Upgrade to a fixed version: OpenClaw 2026.2.14. Check the vendor advisory for mitigations.

References

• https://github.com/openclaw/openclaw/commit/5b4121d6011a48c71e747e3c18197f180b872c5d
• https://github.com/openclaw/openclaw/security/advisories/GHSA-x22m-j5qq-j49m
• https://www.vulncheck.com/advisories/openclaw-ssrf-via-feishu-extension-media-fetching

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