CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

[NEW] [high] IBM i: Multiple Vulnerabilities

highCVE-2026-17255CVE-2026-18175CVE-2026-18221CVE-2026-18341
An attacker can exploit multiple vulnerabilities in IBM i to cause a denial of service, bypass security measures, and manipulate database transactions or memory.

CSIRTS triage

What
Multiple vulnerabilities in IBM i allow attackers to cause denial of service, bypass security measures, and manipulate database transactions or memory.
Who is affected
All IBM i deployments are affected.
Urgency
High severity; while not currently exploited, these vulnerabilities enable critical attack vectors including authentication bypass and memory manipulation.
Action
Apply IBM security patches for CVE-2026-17255, CVE-2026-18175, CVE-2026-18221, and CVE-2026-18341 immediately.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch IBM i

Get an email when a new IBM i advisory drops — max one per day, one-click unsubscribe.

Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-09-03
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3172

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-17255coverage & exploitation statusNVD · CVE.org
CVE-2026-18175coverage & exploitation statusNVD · CVE.org
CVE-2026-18221coverage & exploitation statusNVD · CVE.org
CVE-2026-18341coverage & exploitation statusNVD · CVE.org

Recent advisories for IBM i

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories