Peppermint up to 0.5.5 Logout logout ID authorization

Summaryinfo

A vulnerability was found in Peppermint up to 0.5.5. It has been rated as problematic. Affected is an unknown function of the file /api/v1/auth/user/:id/logout of the component Logout Handler. The manipulation of the argument ID leads to authorization. This vulnerability is listed as CVE-2026-85392. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Peppermint up to 0.5.5. It has been rated as problematic. This issue affects an unknown function of the file /api/v1/auth/user/:id/logout of the component Logout Handler. The manipulation of the argument id with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is integrity, and availability. The summary by CVE is:

Peppermint through 0.5.5 contains an authorization bypass vulnerability in the GET /api/v1/auth/user/:id/logout endpoint that allows authenticated attackers to delete sessions for any user by supplying arbitrary user IDs. Attackers can forcibly log out any user including administrators by calling the logout handler with another user's ID, since the endpoint performs no authorization checks to verify the caller owns the target account.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-85392 since 09/03/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/03/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-70669). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• Peppermint

Version

• 0.5.0
• 0.5.1
• 0.5.2
• 0.5.3
• 0.5.4
• 0.5.5

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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