CVE-2026-55804: medium-severity vulnerability in Drupal core
Drupal core - Moderately critical - Gadget chain - SA-CORE-2026-006
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.9epss 0.4%
exploitation probability
0.4%top 73% of all CVEs
observed exploitation
nono source reports it
Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal core allows Object Injection. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Affected products
Drupal · Drupal coreRelated CVEs — Drupal core
In the same product, most dangerous first.
CVE-2026-9082CRITICALDrupal core - Highly critical - SQL injection - SA-CORE-2026-004EPSS 15.7%KEVCVE-2019-6339—PHAR stream wrapper Arbitrary PHP code executionEPSS 35.6%CVE-2019-6341—Drupal core - Moderately critical - Cross Site Scripting - SA-CORE-2019-004EPSS 12.2%CVE-2024-45440MEDIUMCVE-2024-45440EPSS 9.3%CVE-2019-6338—third-party PEAR Archive_Tar library updatesEPSS 2.1%CVE-2017-6923—Access bypass in Drupal 8 viewsEPSS 1.6%
References
https://www.drupal.org/sa-core-2026-006