Unauthenticated administrator access via unchecked user updates
Published Jul 14, 2026 · Updated Jul 14, 2026
Missing authorization in xianyu-auto-reply at dcb445ad97816ad65299a7580ee0c8c8f929da84 allows remote attackers to gain administrator access. The GET and PATCH handlers in backend-web/app/api/routes/users.py omit authentication dependencies, while the update service writes every supplied UserUpdate field directly, including role and status. No credentials are required; an attacker who enumerates or knows a user ID can alter that account, reactivate it, or assign the ADMIN role.
Summary
What happened
Missing authorization in xianyu-auto-reply at dcb445ad97816ad65299a7580ee0c8c8f929da84 allows remote attackers to gain administrator access. The GET and PATCH handlers in backend-web/app/api/routes/users.py omit authentication dependencies, while the update service writes every supplied UserUpdate field directly, including role and status. No credentials are required; an attacker who enumerates or knows a user ID can alter that account, reactivate it, or assign the ADMIN role.
The record
- CVE
- CVE-2026-15752
- Published
- Jul 14, 2026
- Updated
- Jul 14, 2026
- Vendor
- zhinianboke
- Product
- xianyu-auto-reply
- Classifications
- CWE-863, CWE-862, T1098
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 14, 2026CVE publishedPublication date reported by the CVE source.
- Jul 14, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=dcb445ad97816ad65299a7580ee0c8c8f929da84
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- GitHub issue 192 reproduction requestsproof of concept · unverified
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Technologies
Your stack
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Your stack
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