Skip to content
OpenAdvisories
Medium RHSA-2026:43940 1 CVE

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Published Aug 20, 2026 · Updated Oct 17, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 python-jinja2 0:3.1.6-10.1.hum1
Red Hat · Hardened Images 1 hummingbird:1 python3-jinja2 0:3.1.6-10.1.hum1
Red Hat · Hardened Images 1 hummingbird:1 python3-jinja2+i18n 0:3.1.6-10.1.hum1

Vulnerabilities 1

  • Medium 5.4
    CVE-2025-27516

    Jinja sandbox breakout through attr filter selecting format method

    Jinja is an extensible templating engine. Prior to 3.1.6, an oversight in how the Jinja sandboxed environment interacts with the |attr filter allows an attacker that controls the content of a template to execute arbitrary Python code. To exploit the vulnerabi…

    pallets jinja nodejs jupyter-base-notebook Debian Ubuntu Azure Linux Alpine Wolfi PyPI

References

  • article
    https://images.redhat.com/
  • report
    https://access.redhat.com/security/cve/CVE-2025-27516
  • article
    https://access.redhat.com/security/updates/classification/
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_43940.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2350190
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-27516
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-27516
  • article
    https://github.com/pallets/jinja/commit/90457bbf33b8662926ae65cdde4c4c32e756e403
  • article
    https://github.com/pallets/jinja/security/advisories/GHSA-cpwx-vrp4-4pq7