0.0
NA
CVE-2026-102495
Apache XMLSchema: Denial of service through unbounded recursion when resolving schema imports and includes
Description

Apache XmlSchema doesn't limit how deeply schema imports and includes can be nested, so a malicious schema can make parsing recurse until the stack overflows. This causes a denial of service. Users are recommended to upgrade to version 2.3.3, which fixes this issue.

INFO

Published Date :

Sept. 29, 2026, 12:17 p.m.

Last Modified :

Sept. 29, 2026, 1:17 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-102495 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.

No affected product recoded yet

Solution
Upgrade Apache XmlSchema to version 2.3.3 to prevent stack overflow and denial of service.
  • Upgrade Apache XmlSchema to version 2.3.3.
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-2026-102495.

URL Resource
https://lists.apache.org/thread/l339q3oldm0cd2lph4b6f93fd07x9g6s
http://www.openwall.com/lists/oss-security/2026/09/29/15
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-102495 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-2026-102495 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-2026-102495 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-102495 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.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Sep. 29, 2026

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2026/09/29/15
  • New CVE Received by [email protected]

    Sep. 29, 2026

    Action Type Old Value New Value
    Added Description Apache XmlSchema doesn't limit how deeply schema imports and includes can be nested, so a malicious schema can make parsing recurse until the stack overflows. This causes a denial of service. Users are recommended to upgrade to version 2.3.3, which fixes this issue.
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/102xxx/CVE-2026-102495.json">CVE-2026-102495</a>
    Added Reference https://lists.apache.org/thread/l339q3oldm0cd2lph4b6f93fd07x9g6s
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.