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TI-2026-40287 Aliases CVE-2026-55806GHSA-vwxh-w8pq-6q99

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

Priority LOW 26CWE-601Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Spoofing
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-601.

Summary

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.*.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00339 27th percentileScored 2026-11-07
Fix Fixed Drupal core (Drupal): 10.5.12, 10.6.11, 11.2.14 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DrupalDrupal core0.0.0 to before 10.5.12; 10.6.0 to before 10.6.11; 11.2.0 to before 11.2.14; 11.3.0 to before 11.3.12; 0.0.0 and later; 0.0.0 and later10.5.12, 10.6.11, 11.2.14, 11.3.12Patch availableCNA
  • Drupal core VendorDrupal Affected 0.0.0 to before 10.5.12; 10.6.0 to before 10.6.11; 11.2.0 to before 11.2.14; 11.3.0 to before 11.3.12; 0.0.0 and later; 0.0.0 and later Fixed in 10.5.12, 10.6.11, 11.2.14, 11.3.12 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*before 10.5.12; 10.6.0 to before 10.6.11; 11.0.0 to before 11.2.14; 11.3.0 to before 11.3.12VulnerableDrupal
  • cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* Versions before 10.5.12; 10.6.0 to before 10.6.11; 11.0.0 to before 11.2.14; 11.3.0 to before 11.3.12 Vulnerable ·Drupal

Remediation

  • Fix · CNA Drupal core (Drupal) Fixed in 10.5.12, 10.6.11, 11.2.14, 11.3.12

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Drupal core 10.5.12, 10.6.11 and 4 more versions

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-40285 Drupal core - Moderately critical - Gadget chain - SA-CORE-2026-006Priority LOW 28
    • TI-2026-40284 Drupal core - Critical - PHP object injection - SA-CORE-2026-005Priority LOW 28
    • TI-2026-40289 Drupal core - Moderately critical - Improper validation - SA-CORE-2026-009Priority LOW 24
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-55806
  2. 2026-10-03 Alias added: GHSA-vwxh-w8pq-6q99

References

Advisory 1

  • TI-2026-07979 Drupal core - Highly critical - SQL injection - SA-CORE-2026-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05494 Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05493 Improper input validation in Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-10731 Unrestricted file upload in Drupal Core KEVCVSS 3.1HIGH 8.8
  • TI-2019-04505 Drupal core - Highly critical - Remote Code Execution KEVCVSS 3.1HIGH 8.1
  • TI-2020-17477 Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks… KEVCVSS 3.1HIGH 7.8
See all 278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences