CVE-2026-15061

High

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 's nimesis registration service could allow a remote attacker to overwrite files due to path traversal.

SeverityHigh
CVSS8.2
Exploit probability—
ProductIbm Vios
PublishedAug 19, 2026
First seenAug 19, 2026

How to fix

Update
  • ibm vios4.1.0.50, 4.1.1.30, 4.1.2.20 or later

Affected products

ProductAffected versionsFixed in
ibm vios4.1.0 ≤ v < 4.1.0.50, 4.1.1.0 ≤ v < 4.1.1.30, 4.1.2.0 ≤ v < 4.1.2.204.1.0.50, 4.1.1.30, 4.1.2.20
ibm aix7.2.5 ≤ v ≤ 7.2.5.212, 7.3.2 ≤ v ≤ 7.3.2.5, 7.3.3 ≤ v ≤ 7.3.3.2, 7.3.4 ≤ v ≤ 7.3.4.1—

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