CVE-2026-28451 PUBLISHED

OpenClaw < 2026.2.14 - SSRF via Feishu Extension Media Fetching

Assigner: VulnCheck
Reserved: 27.02.2026 Published: 05.03.2026 Updated: 09.03.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
CVSS Score: 6.3

Product Status

Vendor OpenClaw
Product OpenClaw
Versions Default: unaffected
  • affected from 0 to 2026.2.14 (excl.)

Credits

  • Peng Zhou (@zpbrent) reporter

References

Problem Types

  • Server-Side Request Forgery (SSRF) CWE