CVE-2026-28451

HIGH

8.3

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.

CVE Details

CVSS v3.1 Score8.3

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/5/2026

Last Modified3/11/2026

Sourcenvd

Honeypot Sightings0

Affected Products

openclaw:openclaw

Weaknesses (CWE)

CWE-918

References

https://github.com/openclaw/openclaw/commit/5b4121d6011a48c71e747e3c18197f180b872c5d(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-x22m-j5qq-j49m(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-ssrf-via-feishu-extension-media-fetching(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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