An issue in geelen mcp-remote 0.1.32 through 0.1.38 allows a remote attacker to obtain sensitive information via the src/lib/authorization-server-metadata.ts, src/lib/utils.ts components
CVE-2026-51995
HIGHPre-NVD 7.57.5—Trending — 3 sources updated this week
EchelonGraph scoreHIGH confidence
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-24. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, ghsa
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 7.5Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(high)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
September 24, 2026
Last Modified
September 24, 2026
Advisory Details (4)
Auto-updated Sep 24, 2026⚠️ Active exploitation confirmed. No patch confirmed yet. Sources: github.
generic
mcp-remote-oauth-security/advisories/F-02-authorization-server-ssrf.md at v1.0.1 · playb0t/mcp-remote-oauth-security · GitHub
https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-02-authorization-server-ssrf.mdgeneric🔴 Active Exploitation
GitHub - playb0t/mcp-remote-oauth-security: Seven evidence-bounded OAuth trust-boundary security advisories for geelen/mcp-remote, reviewed through 0.1.38. · GitHub
https://github.com/playb0t/mcp-remote-oauth-security#readmegithub
Security Advisories · punkpeye/mcp-remote · GitHub
https://github.com/geelen/mcp-remote/security/advisoriesgeneric🔴 Active Exploitation
GitHub - punkpeye/mcp-remote: Connect an MCP Client that only supports local (stdio) servers to a Remote MCP Server. · GitHub
https://github.com/geelen/mcp-remoteVendor Advisories for CVE-2026-51995(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 7× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-09-25 08:44 UTCGHSA enrichment
- 2026-09-24 21:16 UTCEG score recompute
- 2026-09-24 21:16 UTCGHSA enrichment
- 2026-09-24 15:02 UTCEG score recompute▲ 7.50
- 2026-09-24 15:01 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
- 2026-09-24 14:48 UTCEG score recompute
- 2026-09-24 14:47 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2026-51995?
CVE-2026-51995 is a high vulnerability published on September 24, 2026. An issue in geelen mcp-remote 0.1.32 through 0.1.38 allows a remote attacker to obtain sensitive information via the src/lib/authorization-server-metadata.ts, src/lib/utils.ts components
When was CVE-2026-51995 disclosed?
CVE-2026-51995 was first published in the National Vulnerability Database on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-51995?
CVE-2026-51995 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-51995?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-51995, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-51995
Is Your Infrastructure Affected by CVE-2026-51995?
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