Security Advisory

CVE-2026-15809

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-15 12:32:42

Last updated 2026-07-17 08:50:58

Assigner redhat

CVSS score not scored

State PUBLISHED

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.

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