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7.5
HIGH CVSS 3.1
CVE-2026-24735
Apache Answer: Revision API Improper Access Control leads to Information Disclosure
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.

INFO

Published Date :

Feb. 4, 2026, 11:16 a.m.

Last Modified :

Feb. 6, 2026, 2:40 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2026-24735 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apache answer
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Upgrade Apache Answer to version 2.0.0 to fix information disclosure vulnerability.
  • Upgrade Apache Answer to version 2.0.0.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-24735.

URL Resource
https://lists.apache.org/thread/whxloom7mpxlyt5wzdskflsg5mzdzd60 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/02/04/1 Mailing List Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-24735 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-24735 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-24735 vulnerability anywhere in the article.

  • Daily CyberSecurity
Toxic Invites & Root Access: Cisco Patches Critical Meeting Flaws

Cisco has released urgent updates for two of its major collaboration platforms, addressing critical vulnerabilities that could allow attackers to seize control of meeting management systems or crash c ... Read more

Published Date: Feb 05, 2026 (3 weeks, 5 days ago)
  • Daily CyberSecurity
CVE-2026-24735: Apache Answer Flaw Leaks Private Post History

The Apache Software Foundation has patched a significant privacy loophole in Apache Answer, its popular Q&A platform software. The vulnerability, tracked as CVE-2026-24735, allows unauthenticated atta ... Read more

Published Date: Feb 05, 2026 (3 weeks, 5 days ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-24735 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Feb. 06, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.0
    Added Reference Type Apache Software Foundation: https://lists.apache.org/thread/whxloom7mpxlyt5wzdskflsg5mzdzd60 Types: Mailing List, Third Party Advisory
    Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/02/04/1 Types: Mailing List, Third Party Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Feb. 04, 2026

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2026/02/04/1
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 04, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • New CVE Received by [email protected]

    Feb. 04, 2026

    Action Type Old Value New Value
    Added 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.
    Added CWE CWE-359
    Added Reference https://lists.apache.org/thread/whxloom7mpxlyt5wzdskflsg5mzdzd60
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact