CVE-2026-15809 | BDVDB-2026-348557 Detail
Red HatRed Hat OpenShift Container Platform 4.12
Description#
A flaw was found in CRI-O. The fix for a previous vulnerability (CVE-2022-4318) was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
References#
- https://access.redhat.com/errata/RHSA-2026:57361
- https://access.redhat.com/errata/RHSA-2026:60444
- https://access.redhat.com/errata/RHSA-2026:60449
- https://access.redhat.com/errata/RHSA-2026:60452
- https://access.redhat.com/errata/RHSA-2026:62548
- https://access.redhat.com/errata/RHSA-2026:65838
- https://access.redhat.com/errata/RHSA-2026:65906
- https://access.redhat.com/errata/RHSA-2026:66385
- https://access.redhat.com/errata/RHSA-2026:67836
- https://access.redhat.com/errata/RHSA-2026:67856
- https://access.redhat.com/errata/RHSA-2026:70585
- https://access.redhat.com/security/cve/CVE-2026-15809
- https://bugzilla.redhat.com/show_bug.cgi?id=2500846
- https://github.com/cri-o/cri-o/pull/6450
- https://github.com/cri-o/cri-o/pull/6524
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.