CVE-2026-55806: CWE-601 URL Redirection to Untrusted Site ('Open Redirect') in Drupal Drupal core
CVE-2026-55806 is an Open Redirect vulnerability in Drupal core that allows URL redirection to untrusted sites, potentially enabling content spoofing. It affects multiple versions of Drupal core up to 11.3.12, including all versions from 0.0.0 to 10.5.12, 10.6.0 to 10.6.11, 11.2.0 to 11.2.14, and 11.3.0 to 11.3.12. No official patch or remediation guidance is currently provided. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-55806) in Drupal core is classified as CWE-601, an Open Redirect to untrusted sites. It allows attackers to craft URLs that redirect users to potentially malicious external sites, which can facilitate content spoofing attacks. The affected versions span multiple release ranges of Drupal core, including early versions and several minor releases up to 11.3.12. No CVSS score or vendor advisory detailing patch availability or mitigation is currently available. The vulnerability is published but lacks official remediation information.
Potential Impact
The impact of this vulnerability is that users may be redirected to untrusted external websites, which can be used for phishing or content spoofing attacks. This could undermine user trust and potentially lead to further attacks if users interact with malicious sites. There are no known active exploits reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor Drupal's official security advisories for updates. Until a fix is available, cautious handling of URLs and user input validation related to redirects is recommended.
CVE-2026-55806: CWE-601 URL Redirection to Untrusted Site ('Open Redirect') in Drupal Drupal core
Description
CVE-2026-55806 is an Open Redirect vulnerability in Drupal core that allows URL redirection to untrusted sites, potentially enabling content spoofing. It affects multiple versions of Drupal core up to 11.3.12, including all versions from 0.0.0 to 10.5.12, 10.6.0 to 10.6.11, 11.2.0 to 11.2.14, and 11.3.0 to 11.3.12. No official patch or remediation guidance is currently provided. There are no known exploits in the wild at this time.
Affected software
pkg:composer/drupal/coreRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-55806) in Drupal core is classified as CWE-601, an Open Redirect to untrusted sites. It allows attackers to craft URLs that redirect users to potentially malicious external sites, which can facilitate content spoofing attacks. The affected versions span multiple release ranges of Drupal core, including early versions and several minor releases up to 11.3.12. No CVSS score or vendor advisory detailing patch availability or mitigation is currently available. The vulnerability is published but lacks official remediation information.
Potential Impact
The impact of this vulnerability is that users may be redirected to untrusted external websites, which can be used for phishing or content spoofing attacks. This could undermine user trust and potentially lead to further attacks if users interact with malicious sites. There are no known active exploits reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor Drupal's official security advisories for updates. Until a fix is available, cautious handling of URLs and user input validation related to redirects is recommended.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- drupal
- Date Reserved
- 2026-06-17T14:59:52.673Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a516c2d68715ace4343823f
Added to database: 07/10/2026, 22:03:25 UTC
Last enriched: 07/10/2026, 22:18:59 UTC
Last updated: 07/10/2026, 22:57:15 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.