CVE-2026-17255

highcovered by 1 sourcefirst seen 2026-09-03

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 CVE-2026-17255

Get an email if CVE-2026-17255 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Advisory coverage (1)

high[NEW] [high] IBM i: Multiple Vulnerabilitiescert-bund · 2026-09-03

External references

NVD record for CVE-2026-17255

CVE.org record

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2026-17255 status](https://www.csirts.com/badge/CVE-2026-17255)](https://www.csirts.com/cve/CVE-2026-17255)