CVE-2026-15809
Github.com/cri-o/cri-o: fix bypass for cve-2022-4318 — /etc/passwd injection via home env
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat
commercial·US
and 2 more affected products View all →
Exploitability
Workaround Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Execution
References
https://access.redhat.com/errata/RHSA-2026:57361
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:60444
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:60449
access.redhat.com
and 9 more references View all →
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