CVE-2026-48911: CWE-306 Missing Authentication for Critical Function in Apache Software Foundation Apache Answer
Apache Answer versions through 2.0.1 contain an insufficient verification of data authenticity vulnerability. This flaw is due to a missing authorization check in the external-login email binding flow, which allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into clicking a crafted confirmation link. The issue is fixed in version 2.0.2.
AI Analysis
Technical Summary
CVE-2026-48911 describes an insufficient verification of data authenticity vulnerability in Apache Answer through version 2.0.1. The vulnerability arises from a missing authorization check during the external-login email binding process. This allows unauthenticated attackers to hijack user accounts by leveraging crafted confirmation links that victims may click. The vulnerability is classified under CWE-306 (Missing Authentication for Critical Function). The CVSS 3.1 base score is 7.5, indicating a high severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to integrity.
Potential Impact
An attacker can take over arbitrary user accounts without authentication by exploiting the missing authorization check in the email binding flow. This compromises user account integrity but does not affect confidentiality or availability.
Mitigation Recommendations
Users should upgrade Apache Answer to version 2.0.2, which contains the official fix for this vulnerability. No other mitigation is indicated.
CVE-2026-48911: CWE-306 Missing Authentication for Critical Function in Apache Software Foundation Apache Answer
Description
Apache Answer versions through 2.0.1 contain an insufficient verification of data authenticity vulnerability. This flaw is due to a missing authorization check in the external-login email binding flow, which allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into clicking a crafted confirmation link. The issue is fixed in version 2.0.2.
CVSS v3.1
Score 7.5high
Affected software
pkg:maven/org.apache.answer/apache-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
CVE-2026-48911 describes an insufficient verification of data authenticity vulnerability in Apache Answer through version 2.0.1. The vulnerability arises from a missing authorization check during the external-login email binding process. This allows unauthenticated attackers to hijack user accounts by leveraging crafted confirmation links that victims may click. The vulnerability is classified under CWE-306 (Missing Authentication for Critical Function). The CVSS 3.1 base score is 7.5, indicating a high severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to integrity.
Potential Impact
An attacker can take over arbitrary user accounts without authentication by exploiting the missing authorization check in the email binding flow. This compromises user account integrity but does not affect confidentiality or availability.
Mitigation Recommendations
Users should upgrade Apache Answer to version 2.0.2, which contains the official fix for this vulnerability. No other mitigation is indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-47mw-vx77-gwvj
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-48911"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a74cf83bf8831d5391acfc7
Added to database: 08/06/2026, 18:16:35 UTC
Last enriched: 08/06/2026, 18:27:55 UTC
Last updated: 08/07/2026, 03:40:59 UTC
Views: 3
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