🛡️ CVE-2026-55806 — drupal

🟡 CVSS 5.0 — Medium ✅ No Known Exploit CWE-601 OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-007

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.*.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-55806 is classified as CWE-601: Open Redirect. A redirect target is taken from user input, so a trusted link can send the visitor to an attacker's site.

Affected software

CVE-2026-55806 is recorded against 2 packages.

  • drupal
  • drupal/core (from 11.1.0 up to 11.2.0)

Timeline and source

Published on 19 July 2026 and last revised on 20 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Web)
www.drupal.org (Web)

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-601
Public Exploit ✅ No
Source OSV
Published 2026-07-19
Updated 2026-08-12
Modified 2026-07-20
Fix URL N/A

Affected Packages

Software From version Fixed in
drupal — —
drupal/core 11.1.0 11.2.0

Similar Threats

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