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CVE-2026-42224 Icinga CVE debrief

CVE-2026-42224 is a high-severity vulnerability in ipl/web, a set of common web components for PHP projects. An attacker can inject malicious JavaScript into a victim's browser, allowing it to run in the context of Icinga Web. The victim must visit a specifically prepared website, and may not immediately notice any wrongdoing. This issue has been patched in versions 0.13.1 and 0.10.3.

Vendor
Icinga
Product
ipl-web
CVSS
HIGH 7.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-08
Original CVE updated
2026-06-09
Advisory published
2026-05-08
Advisory updated
2026-06-09

Who should care

Users of ipl/web versions prior to 0.13.1 or 0.10.3 should apply the patches to prevent exploitation.

Technical summary

The vulnerability has a CVSS score of 7.6 and is classified as HIGH. It requires the attacker to have high privileges and for the user to interact with the malicious website.

Defensive priority

High

Recommended defensive actions

  • Apply patches: Upgrade to ipl/web version 0.13.1 or 0.10.3.
  • Review website usage: Ensure that users are not visiting malicious websites.

Evidence notes

The CVE record and NVD detail can be found at [cve-org] and [nvd], respectively.

Official resources

CVE-2026-42224 was published on [cvePublishedAt] and modified on [cveModifiedAt].