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VulnerabilityPublished Updated

CVE-2026-52001: mcp-remote · CVE-2026-52001 is a

Affects mcp-remoteSource CVE Database V5

0

Not known to be exploited · CVSS 7.5 High.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 24 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubgeelen/mcp-remotepkg:github/geelen/mcp-remoteOther threatsAffected
  • >=0.1.18 <=0.1.38
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should monitor vendor communications for updates and consider restricting access to affected versions until a fix is available.

Description

CVE-2026-52001 is a vulnerability in geelen mcp-remote versions 0.1.18 through 0.1.38 that allows a remote attacker to obtain sensitive information via the SSE transport eventSourceInit fetch wrapper. The vulnerability has a high severity with a CVSS score of 7.5, indicating it can be exploited remotely without privileges or user interaction to disclose confidential data.

References

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