CVE-2026-52001CWE-200information-disclosure

CVE-2026-52001

High · published September 24, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
39.4
In the wild
Unconfirmed
What it is

An issue in geelen mcp-remote 0.1.18 through 0.1.38 allows a remote attacker to obtain sensitive information via the SSE transport eventSourceInit fetch wrapper " src/lib/utils.ts

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00466 · 39.4th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-09-24T19:17Z
References (4)
https://github.com/geelen/mcp-remote · [email protected]https://github.com/geelen/mcp-remote/security/advisories · [email protected]https://github.com/playb0t/mcp-remote-oauth-security#readme · [email protected]https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-11-sse-token-origin-scope.md · [email protected]
EPSS history
Timeline
  • 26 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 24 SEP 00:00Z
    An issue in geelen mcp-remote 0.1.18 through 0.1.38 allows a remote attacker to obtain sensitive information via the SSE transport eventSourceInit fetch…
    cvelistv5