Vulnerability · Published Feb 4, 2026 · Assigned by apache

CVE-2026-24735Apache Answer: Revision API Improper Access Control leads to Information Disclosure

High 7.5

In plain English

A high-severity security flaw in Apache Answer from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 48.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/apache/answer2.0.0GHSA-5w5r-8xc6-2xhw
Gogithub.com/apache/answerno fix listedGO-2026-4421

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache Answer 0 – through 1.7.1

Weakness: CWE-359 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References