CVE-2026-55074 is a jail escape vulnerability in the Ansible FreeBSD Jail Connection Plugin, ansible-jailexec. The flaw is caused by symlink following in the put_file file-transfer path, allowing writes to resolve outside the intended jail boundary. When file transfer operations are performed against a managed jail, an attacker who can control content or filesystem state inside that jail can influence path resolution so that host-side writes occur outside the jail. Because the write is performed with host-side root privileges, the issue can break containment and enable compromise of the underlying host.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
3 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.