CVE-2026-15809 — Github.com/cri-o/cri-o: fix bypass for cve-2022-4318 — /etc/passwd injection via home env
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 o…
Published: 2026-07-15 · CVSS: 7.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7