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CVE-2026-85392— Peppermint through 0.5.5 Authorization Bypass on the User Logout Endpoint

Quick assessment

Affected
Peppermint-Lab peppermint
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Peppermint（版本 0.5.5 及之前版本）存在一个授权绕过漏洞，位于 端点。该漏洞允许已认证的 attacker 通过提供任意用户 ID 来删除任意用户的会话。由于该端点未执行任何授权检查以验证调用者是否为目标账户的所有者，攻击者可以强制注销任意用户（包括管理员）的会话，只需调用 logout 处理器并传入其他用户的 ID 即可。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1098 · Account Manipulation

Affected Version Matrix 1

VendorProduct Version RangeStatus
Peppermint-Lab peppermint ≤ 0.5.5 affected
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I. Basic Information for CVE-2026-85392

Vulnerability Information
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Vulnerability Title
Peppermint through 0.5.5 Authorization Bypass on the User Logout Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Peppermint-Lab peppermint 0 ~ 0.5.5 -

II. Public POCs for CVE-2026-85392

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III. Intelligence Information for CVE-2026-85392

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Vendor Advisories for CVE-2026-85392 (1)

Other References for CVE-2026-85392 (1)

IV. Related Vulnerabilities

Same product: peppermint
Same vendor: Peppermint-Lab
Same weakness: CWE-639

V. Comments for CVE-2026-85392

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