CVE-2026-48912: CWE-639 Authorization Bypass Through User-Controlled Key in Apache Software Foundation Apache Answer
CVE-2026-48912 is an authorization bypass vulnerability in Apache Answer through version 2.0.1. The flaw arises from a missing ownership check in the avatar-cleanup logic, allowing any authenticated user to delete files uploaded by other users by supplying their file URLs. The issue is fixed in version 2.0.2.
AI Analysis
Technical Summary
This vulnerability in Apache Answer (up to version 2.0.1) involves improper input validation related to authorization. Specifically, the avatar-cleanup functionality lacks a proper ownership check, enabling authenticated users to delete files uploaded by others if they provide the corresponding file URLs. This is classified under CWE-639 (Authorization Bypass Through User-Controlled Key). The vendor has addressed the issue in version 2.0.2.
Potential Impact
Authenticated users can delete files uploaded by other users, potentially leading to unauthorized data removal and disruption of user content. There is no indication of remote unauthenticated exploitation or broader system compromise from the provided data.
Mitigation Recommendations
Users should upgrade Apache Answer to version 2.0.2 or later, where the missing ownership check has been implemented to prevent unauthorized file deletions. No other mitigation steps are indicated or required.
CVE-2026-48912: CWE-639 Authorization Bypass Through User-Controlled Key in Apache Software Foundation Apache Answer
Description
CVE-2026-48912 is an authorization bypass vulnerability in Apache Answer through version 2.0.1. The flaw arises from a missing ownership check in the avatar-cleanup logic, allowing any authenticated user to delete files uploaded by other users by supplying their file URLs. The issue is fixed in version 2.0.2.
Affected software
pkg:maven/org.apache.answer/answerRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apache Answer (up to version 2.0.1) involves improper input validation related to authorization. Specifically, the avatar-cleanup functionality lacks a proper ownership check, enabling authenticated users to delete files uploaded by others if they provide the corresponding file URLs. This is classified under CWE-639 (Authorization Bypass Through User-Controlled Key). The vendor has addressed the issue in version 2.0.2.
Potential Impact
Authenticated users can delete files uploaded by other users, potentially leading to unauthorized data removal and disruption of user content. There is no indication of remote unauthenticated exploitation or broader system compromise from the provided data.
Mitigation Recommendations
Users should upgrade Apache Answer to version 2.0.2 or later, where the missing ownership check has been implemented to prevent unauthorized file deletions. No other mitigation steps are indicated or required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-05-26T11:46:50.101Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a736b64bf8831d5392da655
Added to database: 08/05/2026, 16:57:08 UTC
Last enriched: 08/05/2026, 17:15:40 UTC
Last updated: 08/05/2026, 17:19:35 UTC
Views: 4
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