{"id":"RHLW-2026-bbcf7d39b1fbb255","summary":"Lightwell Security Advisory: jinja2 3.1.5+rhlw.1","details":"Red Hat Lightwell has released jinja2 3.1.5+rhlw.1 with a backported security fix.\n\nCVE-2025-27516: Jinja sandbox breakout through attr filter selecting format method\n\nThis patched artifact is a drop-in replacement for jinja2 3.1.5 from PyPI.","modified":"2026-11-10T23:00:02.126940165Z","published":"2026-11-10T14:35:37Z","upstream":["CVE-2025-27516","GHSA-cpwx-vrp4-4pq7"],"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27516.json"},{"type":"ADVISORY","url":"https://github.com/pallets/jinja/security/advisories/GHSA-cpwx-vrp4-4pq7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27516"},{"type":"FIX","url":"https://github.com/pallets/jinja/commit/90457bbf33b8662926ae65cdde4c4c32e756e403"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-cpwx-vrp4-4pq7"}],"affected":[{"package":{"name":"jinja2","ecosystem":"Red Hat Lightwell:PyPI","purl":"pkg:pypi/jinja2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.5+rhlw.1"}]}],"versions":["2.0","2.0rc1","2.1","2.1.1","2.10","2.10.1","2.10.2","2.10.3","2.11.0","2.11.1","2.11.2","2.11.3","2.2","2.2.1","2.3","2.3.1","2.4","2.4.1","2.5","2.5.1","2.5.2","2.5.3","2.5.4","2.5.5","2.6","2.7","2.7.1","2.7.2","2.7.3","2.8","2.8.1","2.9","2.9.1","2.9.2","2.9.3","2.9.4","2.9.5","2.9.6","3.0.0","3.0.0a1","3.0.0rc1","3.0.0rc2","3.0.1","3.0.2","3.0.3","3.1.0","3.1.1","3.1.2","3.1.3","3.1.4","3.1.5"],"database_specific":{"lightwell":{"remediated_version":"3.1.5+rhlw.1","repository_url":"https://packages.redhat.com/lightwell/python/remediated/","backport_base_version":"3.1.5"},"source":"https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-bbcf7d39b1fbb255.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}],"credits":[{"name":"Red Hat Lightwell","type":"REMEDIATION_DEVELOPER"}]}