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GHSA-225x-3jhx-wh4q CVE-2026-64664

Statamic: Missing authorization on Control Panel endpoint allows disclosure of user existence

Medium Packagist
Severity
4.3 / 10
Medium · CVSS 3.1
Exploit chance (EPSS)
0.34%
Chance of exploitation in the next 30 days. Higher than 27.77% of scored vulnerabilities.
Known exploited
No
Not in CISA's catalog
Weakness
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-862 Missing Authorization
Fix
5.74.1
Upgrade statamic/cms to this version or later

Description

Impact

An authenticated Control Panel user could use an endpoint intended for the user creation wizard to determine if a given email address belongs to an existing user, without having permission to view users.

The endpoint only exposed user existence, not any of its data.

Patches

This has been fixed in 5.74.1 and 6.24.0.

Affected versions

Packagist

PackageVulnerableFixed in
statamic/cms
< 5.74.1
5.74.1
statamic/cms
>= 6.0.0, < 6.24.0
6.24.0

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.

statamic/cms Packagist → 5.74.1

composer
composer require statamic/cms:^5.74.1

Severity breakdown

CVSS 3.1 4.3

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Weakness

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

How to prevent it
  • Architecture and Design: Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

CWE-862: Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

How to prevent it
  • Architecture and Design: Divide the product into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully mapping roles with data and functionality. Use role-based access control (RBAC) [REF-229] to enforce the roles at the appropriate boundaries. Note that this approach may not protect against horizontal authorization, i.e., it will not protect a user from attacking others with the same role.
  • Architecture and Design: Ensure that access control checks are performed related to the business logic. These checks may be different than the access control checks that are applied to more generic resources such as files, connections, processes, memory, and database records. For example, a database may restrict access for medical records to a specific database user, but each record might only be intended to be accessible to the patient and the patient's doctor [REF-7].
  • Architecture and Design: Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid. For example, consider using authorization frameworks such as the JAAS Authorization Framework [REF-233] and the OWASP ESAPI Access Control feature [REF-45].
  • Architecture and Design: For web applications, make sure that the access control mechanism is enforced correctly at the server side on every page. Users should not be able to access any unauthorized functionality or information by simply requesting direct access to that page. One way to do this is to ensure that all pages containing sensitive information are not cached, and that all such pages restrict access to requests that are accompanied by an active and authenticated session token associated with a user who has the required permissions to access that page.
  • System Configuration, Installation: Use the access control capabilities of your operating system and server environment and define your access control lists accordingly. Use a "default deny" policy when defining these ACLs.

References

Timeline

  1. Published
  2. Last updated by the source
  3. Latest EPSS score
AdvisorySeverityWhy it's related
GHSA-vx89-p3j7-8xqc
Statamic: Stored Cross-Site Scripting in Automagic Form Notification Email Template
Medium Also affects statamic/cms
GHSA-qhr7-v3xp-vw9m
Statamic: Missing file upload validation on frontend forms allows uploading disallowed file types
Medium Also affects statamic/cms
GHSA-qh8c-7588-qfrv
Statamic: Missing authorization on navigation endpoint allows disclosure of restricted entries
Medium Also affects statamic/cms
GHSA-j2vp-f2pv-5rj4
Statamic: Unsafe method invocation via Antlers template resolution allows data destruction
Medium Also affects statamic/cms
GHSA-93qh-5269-9wcf
Statamic: Account takeover via OAuth email matching without email-verification check
High Also affects statamic/cms
GHSA-jppw-r5j3-xf7x
Statamic CMS exposes two-factor recovery codes through dynamic Antlers rendering
Medium Also affects statamic/cms
GHSA-7mqq-4v55-88gh
Statamic CMS's incorrect authorization lets view-only users submit Live Preview content reserved for editors
Low Also affects statamic/cms
GHSA-h77m-qrj7-jxcw
Statamic Vulnerable to CSV formula injection in form submission exports
Medium Also affects statamic/cms
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