CVE-2026-28451

HIGH 8.3

OpenClaw < 2026.2.14 - SSRF via Feishu Extension Media Fetching

CVSS Score

8.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	openclaw
Product	openclaw
Published	Mar 5, 2026
Last Updated	Mar 9, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

OpenClaw / OpenClaw

0 < 2026.2.14

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 Peng Zhou (@zpbrent)