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    2 vulnerabilities by chofstede

    CVE-2026-55074 (GCVE-0-2026-55074)

    Vulnerability from nvd – Published: 2026-09-21 14:24 – Updated: 2026-09-21 15:44
    VLAI
    Title
    Ansible FreeBSD Jail Connection Plugin: Jail escape via symlink following in put_file (host-side root mv)
    Summary
    Ansible FreeBSD Jail Connection Plugin is an Ansible connection plugin for FreeBSD Jails via jexec. Through version 1.3.0, the jailexec connection plugin's put_file resolved a transfer's destination to a path on the jail host ( + ) and ran mkdir -p and mv there as root on the host. Those commands follow symbolic links, and the path was operated on outside the jail, so a symlink existing inside the jail was followed by the host-side, root-privileged mv. A party controlling content inside a managed jail (the jail's root, or any process able to create a symlink in a directory an Ansible task later writes to) can therefore cause an arbitrary root-owned write on the host, outside the jail — a full jail escape. Arbitrary root-owned host writes are readily escalated to host compromise (e.g. cron, rc.d, authorized_keys). Preconditions for this vulnerability are that the operator runs a copy/template/fetch-style task (anything using put_file) against the jail, and the attacker can place a symlink inside the jail at or above the task's destination before the transfer runs. This issue has been fixed in version 2.0.0.
    Severity
    8.2 (High)
    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
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-21 15:44 UTC
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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        "title": "CISA ADP Vulnrichment"
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    CVE-2026-55074 (GCVE-0-2026-55074)

    Vulnerability from cvelistv5 – Published: 2026-09-21 14:24 – Updated: 2026-09-21 15:44
    VLAI
    Title
    Ansible FreeBSD Jail Connection Plugin: Jail escape via symlink following in put_file (host-side root mv)
    Summary
    Ansible FreeBSD Jail Connection Plugin is an Ansible connection plugin for FreeBSD Jails via jexec. Through version 1.3.0, the jailexec connection plugin's put_file resolved a transfer's destination to a path on the jail host ( + ) and ran mkdir -p and mv there as root on the host. Those commands follow symbolic links, and the path was operated on outside the jail, so a symlink existing inside the jail was followed by the host-side, root-privileged mv. A party controlling content inside a managed jail (the jail's root, or any process able to create a symlink in a directory an Ansible task later writes to) can therefore cause an arbitrary root-owned write on the host, outside the jail — a full jail escape. Arbitrary root-owned host writes are readily escalated to host compromise (e.g. cron, rc.d, authorized_keys). Preconditions for this vulnerability are that the operator runs a copy/template/fetch-style task (anything using put_file) against the jail, and the attacker can place a symlink inside the jail at or above the task's destination before the transfer runs. This issue has been fixed in version 2.0.0.
    Severity
    8.2 (High)
    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
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-21 15:44 UTC
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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