dromara MaxKey up to 4.1.12 Redirect URI Validation DefaultRedirectResolver.hostMatches redirect_uri

Summaryinfo

A vulnerability described as problematic has been identified in dromara MaxKey up to 4.1.12. The affected element is the function DefaultRedirectResolver.hostMatches of the component Redirect URI Validation. Such manipulation of the argument redirect_uri leads to redirect. This vulnerability is referenced as CVE-2026-67345. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in dromara MaxKey up to 4.1.12. It has been rated as problematic. Affected by this issue is the function DefaultRedirectResolver.hostMatches of the component Redirect URI Validation. The manipulation of the argument redirect_uri with an unknown input leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is integrity. CVE summarizes:

MaxKey through 4.1.12, fixed in commit ddbb72f, contains an insufficient redirect URI validation vulnerability in DefaultRedirectResolver.hostMatches() that allows remote attackers to hijack OAuth 2.0 authorization codes by supplying a crafted redirect_uri whose hostname suffix matches a registered URI without proper dot-boundary anchoring. Attackers who control a domain ending with the registered redirect URI hostname can social-engineer victims into clicking a crafted authorization URL, causing the authorization code to be issued to the attacker-controlled URI and exchanged for an access token granting access to the victim's identity.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-67345 since 07/29/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

Applying the patch ddbb72fb24ab8e66aa422fb14b1177330bcffb45 is able to eliminate this problem.

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Productinfo

Vendor

• dromara

Name

• MaxKey

Version

• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.5
• 4.1.6
• 4.1.7
• 4.1.8
• 4.1.9
• 4.1.10
• 4.1.11
• 4.1.12

Website

• Product: https://github.com/dromara/MaxKey/

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