DRUPAL-CORE-2026-008 BIT-drupal-2026-55807 CVE-2026-55807
The Media module comes with support for oEmbed.
- Severity
- 3.1 / 10
- Low · CVSS 3.1
- Exploit chance (EPSS)
- 0.22%
- Chance of exploitation in the next 30 days. Higher than 12.66% of scored vulnerabilities.
- Known exploited
- No
- Not in CISA's catalog
- Weakness
- CWE-918 Server-Side Request Forgery (SSRF)
- Fix
11.3.12- Upgrade drupal/core to this version or later
Description
The Media module comes with support for oEmbed. The oEmbed specification contains two discovery mechanisms, via providers.json and via URL discovery.
The URL discovery code could be leveraged to trick Drupal into making server-side requests to any URL.
Affected versions
Packagist
| Package | Vulnerable | Fixed in |
|---|---|---|
| drupal/core | < 10.5.12>= 10.6.0, < 10.6.11>= 11.2.0, < 11.2.14>= 11.3.0, < 11.3.12>= 11.0.0, < 11.1.0>= 11.1.0, < 11.2.0 |
10.5.1210.6.1111.1.011.2.011.2.1411.3.12 |
How to fix
Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.
drupal/core Packagist → 11.3.12
- composer
composer require drupal/core:^11.3.12
Severity breakdown
CVSS 3.1 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Weakness
CWE-918: Server-Side Request Forgery (SSRF)
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
References
Other links
Timeline
- Published
- Last updated by the source
- Latest EPSS score
Related advisories
| Advisory | Severity | Why it's related |
|---|---|---|
| DRUPAL-CORE-2026-004 Drupal Core has a SQL Injection issue | Critical Known exploited | Also affects drupal/core |
| CVE-2020-28949 Multiple vulnerabilities through filename manipulation in Archive_Tar | High Known exploited | Also affects drupal/core |
| CVE-2020-13671 Drupal core Unrestricted Upload of File with Dangerous Type | High Known exploited | Also affects drupal/core |
| CVE-2019-6340 Drupal Core Remote Code Execution Vulnerability | High Known exploited | Also affects drupal/core |
| CVE-2018-7602 Drupal Core Remote Code Execution Vulnerability | Critical Known exploited | Also affects drupal/core |
| CVE-2018-7600 Drupal Core Remote Code Execution Vulnerability | Critical Known exploited | Also affects drupal/core |
| DRUPAL-CORE-2026-016 The Navigation module doesn't sufficiently sanitize certain attributes, which can lead to a cross-site scripting (XSS) vulnerability. | Not rated yet | Also affects drupal/core |
| DRUPAL-CORE-2026-015 The Drupal core Link module provides a field type that can be used for internal and external URLs. | Not rated yet | Also affects drupal/core |
Credits: Albert Skibinski (askibinski), Francesco Placella (plach), Gabe Sullice (gabesullice), Hamed Kohi (0xhamy), Himanshu Anand (unknownhad), John Morahan (john morahan), Jon Minder (ayalon), Lautaro Casanova (betah4k), Michael Winser (michaelwinser), assaf alassaf (ama62), nbanderson, offensive-ai, quynh ho (qquynh)
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