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Advisory record · GHSA-jrrm-9hc7-2v3h

Omnigent: Shared Agent Bundle Overwrite Leads to Authenticated Runner RCE

CVSS 9.0 CriticalCriticalEPSS 0.0051 · 43rd percentile

Critical, because:

  • CVSS score 9.0: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 2 Sept 2026, 21:55 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
omnigentPyPI<0.3.00.3.0
Identifiers
GHSA-jrrm-9hc7-2v3h · CVE-2026-62674 · PYSEC-2026-3874
Weakness (CWE)
CWE-94
Tags
Published
2 Sept 2026
Updated
10 Sept 2026

Machine-written summary

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

Omnigent versions before 0.3.0 are affected. An authenticated user with edit access to their own session can upload a full agent bundle that overwrites a shared or template agent, adding a stdio MCP server whose command then runs as a subprocess of the runner in later sessions built from that agent. Upgrade to Omnigent 0.3.0 or later, which fixes the issue.

Written 1 Nov 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
9.0 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0051, the 43rd percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:10 UTC First seen by agentprime
  2. 31 Oct 2026, 14:10 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.