CVE-2026-55806

mediumpriority · track · 0EPSS 0.003 · 27 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.34% (27th) EPSS

CVSS 5.9 · medium

Is it mine?

28 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

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.*.

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 2.2 · impact 3.6

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-601US

affected products (28)

Products and version ranges known to be affected.

Open Source Drupal Core <10.5.12all versionscert_bundDE
Open Source Drupal Core <10.6.11all versionscert_bundDE
Open Source Drupal Core <11.2.14all versionscert_bundDE
Open Source Drupal Core <11.3.12all versionscert_bundDE
Open Source Drupal≤ Core <11.3.12cert_bundDE
Open Source Drupal≤ Core <10.5.12cert_bundDE
Open Source Drupal≤ Core <10.6.11cert_bundDE
Open Source Drupal≤ Core <11.2.14cert_bundDE
Drupal drupal core0.0.0 → 10.5.12enisa_euvdEU
Drupal drupal core0.0.0 → 11.0.*enisa_euvdEU
Drupal drupal core0.0.0 → 11.1.*enisa_euvdEU
Drupal drupal core10.6.0 → 10.6.11enisa_euvdEU
Drupal drupal core11.2.0 → 11.2.14enisa_euvdEU
Drupal drupal core11.3.0 → 11.3.12enisa_euvdEU
drupal drupal< 10.5.12nvdUScpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
drupal drupal10.6.0 → 10.6.11nvdUScpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
drupal drupal11.0.0 → 11.2.14nvdUScpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
drupal drupal11.3.0 → 11.3.12nvdUScpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
Bitnami drupal< 10.5.12osvUSpkg:bitnami/drupal
Bitnami drupal10.6.0 → 10.6.11osvUSpkg:bitnami/drupal

showing 20 of 28

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2002Drupal Core: Mehrere SchwachstellenDeutsch2026-06-17csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Drupal Core ausnutzen, um beliebigen Programmcode auszuführen, Cross-Site-Scripting-Angriffe durchzuführen, um Daten zu manipulieren, oder um Nutzer auf bösartige Websites umzuleiten.
BIT-drupal-2026-55806Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-0072026-07-19vendor · osvUS
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.*.
DRUPAL-CORE-2026-0072026-06-17vendor · osvUS
Drupal core ships a `rebuild.php` front controller that can be used to rebuild Drupal (clearing the caches and rebuilding the container) when the site is in an unexpected condition. This script doesn't correctly check the Host header against the list of trusted host patterns. This could result in cache poisoning or a redirect to an attacker-controlled domain.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2026-07-10modified 2026-10-25

references (3)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan