by Kastro
Paper/Archive/CVE-2026-2311

CVE-2026-2311

IBM i — IBM i is affected by a privilege escalation vulnerability in Web Administration GUI []

EPSS 0.2%CVSS 9.8
critical.is priorityof 100
31
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 9.6.096 × 201.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

IBM i 7.6, 7.5, 7.4, 7.3, and 7.2 s vulnerable to privilege escalation caused by an invalid IBM i Web Administration GUI authorization check.  A malicious actor could cause user-controlled code to run with administrator privilege.

Affected

ProductAffectedFixed inSource
i7.6.0 – 2.3.0–CNA
i7.5.0–CNA
i7.4.0–CNA
i7.3.0–CNA
i7.2.0–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
ibm (CNA)6.4CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

patchibm.com/support/pages/node/7269560