CVE-2026-48911
Received Received - Intake

Insufficient Verification of Data Authenticity in Apache Answer

Publication date: 2026-08-05

Last updated on: 2026-08-05

Assigner: Apache Software Foundation

Description
Insufficient Verification of Data Authenticity vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.1. A missing authorization check in the external-login email binding flow allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into clicking a crafted confirmation link. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

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Meta Information

Published
2026-08-05
Last Modified
2026-08-05
Generated
2026-08-05
AI Q&A
2026-08-05
EPSS Evaluated
N/A
NVD
CVE-2026-48911
EUVD
EUVD-2026-53397

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
apache answer to 2.0.2 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

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Executive Summary

This vulnerability in Apache Answer is an Insufficient Verification of Data Authenticity issue. It affects versions up to 2.0.1. An authorization check is missing in the external-login email binding flow, allowing unauthenticated attackers to take over user accounts by tricking victims into clicking a malicious confirmation link.

Impact Analysis

Unauthenticated attackers could hijack user accounts by exploiting a crafted confirmation link. Victims clicking the link may unknowingly grant attackers control over their accounts, leading to unauthorized access and potential data breaches.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR's data protection principles and HIPAA's security requirements. Organizations may face compliance breaches, legal penalties, and reputational damage if user data is compromised.

Mitigation Strategies

Upgrade Apache Answer to version 2.0.2 or later to fix the missing authorization check in the external-login email binding flow.

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