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Advisory record · GHSA-2vq3-mpmf-9xgr

@justice8096/sagemath-mcp-server: executes arbitrary code via the escapeShellString and sanitizeCode functions

CVSS 7.5 HighEPSS 0.0052 · 44th percentile

Published by the GitHub Advisory Database at 23 Oct 2026, 15:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
@justice8096/sagemath-mcp-servernpm<=1.0.1No fixed version yet
Identifiers
GHSA-2vq3-mpmf-9xgr · CVE-2026-106763
Weakness (CWE)
CWE-78
Tags
Published
23 Oct 2026
Updated
29 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The @justice8096/sagemath-mcp-server npm package, versions up to and including 1.0.1, is affected by a flaw in its escapeShellString and sanitizeCode functions. The source describes a remote attacker being able to execute arbitrary code, but it gives few details on the required access or preconditions. No fixed version is listed, so the source provides no upgrade path.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:R CNA (mitre)
  • CISA KEV Not listed.
  • EPSS 0.0052, the 44th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 23 Oct 2026, 00:00 UTC Confirmed by the CVE List
  2. 31 Oct 2026, 13:32 UTC First seen by agentprime
  3. 31 Oct 2026, 13:32 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.