CVE-2026-55445: Auth Bypass

Description

Qinglong is a timed task management platform supporting Python3, JavaScript, Shell, and Typescript. Prior to 2.20.1, the init guard middleware in back/loaders/express.ts checks /api/user/init but not /open/user/init, while rewrite('/open/*', '/api/$1') rewrites the whitelisted /open/* path after JWT authentication and the guard have passed; an unauthenticated attacker can send PUT /open/user/init to reset administrator credentials on an initialized instance. This issue is fixed in 2.20.1.

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Weakness Type (CWE)

CWE-287 Improper Authentication

References

Other References

https://github.com/whyour/qinglong/commit/6bec52dca158481258315ba0fc2f11206df7b719 https://github.com/whyour/qinglong/pull/2941 https://github.com/whyour/qinglong/security/advisories/GHSA-v667-gc2r-2xm7

Frequently Asked Questions

What is CVE-2026-55445? +

Qinglong is a timed task management platform supporting Python3, JavaScript, Shell, and Typescript. Prior to 2.20.1, the init guard middleware in back/loaders/express.ts checks /api/user/init but not /open/user/init, while rewrite('/open/*', '/api/$1') rewrites the whitelisted /open/* path after JWT authentication and the guard have passed; an unauthenticated attacker can send PUT /open/user/init to reset administrator credentials on an initialized instance. This issue is fixed in 2.20.1.

How do I check if I'm vulnerable to CVE-2026-55445? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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