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Advisory record · GHSA-cxgv-hp74-jj7r

Ansible FreeBSD Jail Connection Plugin: Jail escape via symlink following in put_file (host-side root mv)

CVSS 8.2 HighEPSS 0.0044 · 38th percentile

Published by the GitHub Advisory Database at 12 Aug 2026, 23:21 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
ansible-jailexecPyPI<2.0.02.0.0
Identifiers
GHSA-cxgv-hp74-jj7r · CVE-2026-55074 · PYSEC-2026-3658
Weakness (CWE)
CWE-59
Tags
Published
12 Aug 2026
Updated
19 Aug 2026

Machine-written summary

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

Versions of ansible-jailexec before 2.0.0 are vulnerable to a jail escape. The put_file transfer resolved destinations to paths on the host and ran mkdir and mv there as root, following symbolic links, so an attacker who can place a symlink inside the jail can cause arbitrary root-owned writes on the host. Exploitation requires control over content inside the jail and an Ansible copy, template, or fetch task targeting the jail. Upgrade to version 2.0.0, which performs transfers inside the jail.

Written 5 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
8.2 High 4.0 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0044, the 38th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:39 UTC First seen by agentprime
  2. 31 Oct 2026, 14:39 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.