Arbitrary Code Injection Affecting craftcms/cms package, versions >=5.9.0, <5.10.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published6 Jul 2026
- disclosed6 Jul 2026
- creditUnknown
Introduced: 6 Jul 2026
NewCVE-2026-55794 (opens in a new tab)How to fix?
Upgrade craftcms/cms to version 5.10.0 or higher.
Overview
craftcms/cms is a content management system.
Affected versions of this package are vulnerable to Arbitrary Code Injection in the renderObjectTemplate process. An attacker can execute arbitrary code by supplying malicious input in the HTTP Referer header when saving entries in the control panel. This is only exploitable if the attacker has control panel access and permissions to edit an entry.