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Advisory record · PYSEC-2025-255

A credential leak in OpenC3 COSMOS before v6.0.2 allows attackers to access service credentials as environment variables stored in all containers.

CVSS 7.5 HighEPSS 0.0052 · 44th percentile

Published by OSV at 13 Jun 2025, 14:15 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
openc3PyPI<=6.0.0No fixed version yet
Identifiers
PYSEC-2025-255 · CVE-2025-28381
Weakness (CWE)
CWE-526
Tags
Published
13 Jun 2025
Updated
13 Jul 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/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N OSV
  • 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. 31 Oct 2026, 15:04 UTC First seen by agentprime
  2. 31 Oct 2026, 15:04 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.