Improperly Controlled Modification of Dynamically-Determined Object Attributes Affecting drupal/core package, versions <10.5.12>=10.6.0, <10.6.11>=11.0.0, <11.2.14>=11.3.0, <11.3.12
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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- published11 Jul 2026
- disclosed11 Jul 2026
- creditUnknown
Introduced: 11 Jul 2026
NewCVE-2026-55803 (opens in a new tab)How to fix?
Upgrade drupal/core to version 10.5.12, 10.6.11, 11.2.14, 11.3.12 or higher.
Overview
drupal/core is an an open source content management platform powering millions of websites and applications.
Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes in the deserialization process. An attacker can execute arbitrary PHP code by supplying specially crafted input that is processed by the application.