Paper/Archive/CVE-2026-51994

CVE-2026-51994

mitre — mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF) via the resource_metadata URL extracted fr…

EPSS 0.4%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (ADP)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 29.0.290 × 205.8 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF) via the resource_metadata URL extracted from a remote MCP server's WWW-Authenticate header

Affected

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

CISA ADP9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/geelen/mcp-remote refgithub.com/geelen/mcp-remote/security/advisories refgithub.com/playb0t/mcp-remote-oauth-security#readme refgithub.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-01-resource-metadata-ssrf.md