Exposing Deleted Revision History in Apache Answer 1.7.1 (fixed in 2.0.0)
CVE-2026-24735 Published on February 4, 2026
Apache Answer: Revision API Improper Access Control leads to Information Disclosure
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.
Vulnerability Analysis
CVE-2026-24735 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a Privacy violation Vulnerability?
The product does not properly prevent a person's private, personal information from being accessed by actors who either (1) are not explicitly authorized to access the information or (2) do not have the implicit consent of the person about whom the information is collected.
CVE-2026-24735 has been classified to as a Privacy violation vulnerability or weakness.
Products Associated with CVE-2026-24735
Want to know whenever a new CVE is published for Apache Answer? stack.watch will email you.
Affected Versions
Apache Software Foundation Apache Answer:- Before and including 1.7.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.