CVE-2026-18835
published 2026-08-20CVE-2026-18835: IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote authenticated attacker to execute arbitrary commands due to improper neutralization of…
PriorityP268critical9.9CVSS 3.1
AVNACLPRLUINSCCHIHAH
EPSS
0.58%
45.2th percentile
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote authenticated attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | aix | — | — |
| ibm | aix | — | — |
| ibm | aix | 7.2.5 – 7.2.5.212 | — |
| ibm | aix | 7.3.2 – 7.3.2.5 | — |
| ibm | aix | 7.3.3 – 7.3.3.2 | — |
| ibm | aix | 7.3.4 – 7.3.4.1 | — |
| ibm | powervm_vios | — | — |
| ibm | vios | >= 4.1.0 < 4.1.0.50 | 4.1.0.50 |
| ibm | vios | >= 4.1.1.0 < 4.1.1.30 | 4.1.1.30 |
| ibm | vios | >= 4.1.2.0 < 4.1.2.20 | 4.1.2.20 |
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GHSA
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote authenticated attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.
ghsa_unreviewed·2026-08-21
CVE-2026-18835 [CRITICAL] CWE-78 IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote authenticated attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote authenticated attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.
VulDB
IBM AIX/PowerVM VIOS os command injection
vuldb·2026-08-21·CVSS 9.9
CVE-2026-18835 [CRITICAL] IBM AIX/PowerVM VIOS os command injection
A vulnerability classified as very critical has been found in IBM AIX and PowerVM VIOS. Affected is an unknown function. This manipulation causes os command injection.
This vulnerability is handled as CVE-2026-18835. The attack can be initiated remotely. There is not any exploit available.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-20
Published