High severity7.8NVD Advisory· Published Jul 15, 2026· Updated Aug 25, 2026
CVE-2026-15809
CVE-2026-15809
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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Affected products
2Patches
Vulnerability mechanics
References
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