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Advisory record · GHSA-29hf-rm4x-xxph

Mise's local credential_command executes untrusted config

CVSS 6.3 MediumEPSS 0.0020 · 10th percentile

Published by the GitHub Advisory Database at 23 Jun 2026, 18:24 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
misecrates.io>=2026.3.15, <2026.6.42026.6.4
Identifiers
GHSA-29hf-rm4x-xxph · CVE-2026-55448
Weakness (CWE)
CWE-78
Tags
Published
23 Jun 2026
Updated
3 Nov 2026

Machine-written summary

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

mise 2026.3.15 through 2026.6.3 reads github.credential_command from local .mise.toml files without a trust check. An attacker who can add such a file to a repository can run arbitrary shell commands as the victim when they run a GitHub-related mise command with no higher-priority GitHub token variable set. Upgrade to mise 2026.6.4.

Written 8 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
6.3 Medium 3.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0020, the 10th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 23 Jun 2026, 18:24 UTC Confirmed by GitHub Advisory Database
  2. 31 Oct 2026, 15:18 UTC First seen by agentprime
  3. 31 Oct 2026, 15:18 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.