Vulnerability · Published Jul 10, 2026 · Assigned by drupal
CVE-2026-55806Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-007
Medium 5.9
In plain English
A medium-severity open redirect in Drupal core from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.3%top 72.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. 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.*.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | drupal/core | 10.5.12, 10.6.11, 11.1.0, 11.2.0, 11.2.14, 11.3.12 | DRUPAL-CORE-2026-007 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Drupal core | 0.0.0 – before 10.5.1210.6.0 – before 10.6.1111.2.0 – before 11.2.1411.3.0 – before 11.3.120.0.0 – before 11.0.*0.0.0 – before 11.1.* |
Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H