Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer.

This issue affects Apache Answer: through 2.0.1.

Deleted or pending answers could be retrieved by unauthorized users through the single-answer read path when the parent question remained visible, exposing answer content that should not have been accessible. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

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.

Improper Handling of Length Parameter Inconsistency vulnerability in Apache Answer.

This issue affects Apache Answer: through 2.0.1.

Unauthenticated attackers can cause a denial of service via a specially crafted Accept-Language header that triggers excessive CPU consumption during parsing. Users are recommended to upgrade to version 2.0.2, which fixes the issue.

Improper Restriction of Security Token Assignment vulnerability in Apache Answer.

This issue affects Apache Answer: through 2.0.0.

Previously issued administrative tokens were not invalidated after an administrator account was suspended, deleted, or deactivated, allowing continued access to administrative APIs until the token expired. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer.

This issue affects Apache Answer: through 1.7.1.

An unauthenticated API endpoint incorrectly exposes full revision history for deleted content. This allows unauthorized user to retrieve restricted or sensitive information. Users are recommended to upgrade to version 2.0.0, which fixes the issue.