Vulnerability · Published Jun 9, 2026 · Assigned by apache

CVE-2026-34905Apache Answer: Unlisted Questions Accessible via Direct API Access

Medium 6.5

In plain English

A medium-severity information exposure 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 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 75.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. The unlisted question feature did not enforce access restrictions on direct API endpoints, allowing authenticated users to discover and access unlisted questions, their answers, comments, and revision history. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/apache/answer1.7.2-0.20260509071350-11c80384f13aGO-2026-6152
Gogithub.com/apache/incubator-answer1.7.2-0.20260509071350-11c80384f13aGHSA-85r2-pvg8-89r9

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache Answer 0 – through 2.0.0

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References