5.5
MEDIUM CVSS 3.1
CVE-2026-14304
Eclipse Accessibility Tools Framework XML External Entity Vulnerability
Description

In Eclipse Accessibility Tools Framework (ACTF) versions up to 1.6.0 (including source code versions up to v20260630 and ACTF based application miChecker versions up to 3.1.0), it has been identified that an XML External Entity (XXE) vulnerability exists. If this vulnerability is exploited, a malicious third party could gain access to local resources or internal network resources via computer running applications that use Eclipse ACTF, including miChecker.

INFO

Published Date :

Aug. 5, 2026, 11:16 a.m.

Last Modified :

Aug. 10, 2026, 7:01 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-14304 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 Eclipse accessibility_tools_framework
1 Soumu michecker
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 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM e51fbebd-6053-4e49-959f-1b94eeb69a2c
CVSS 4.0 MEDIUM [email protected]
Solution
Update Eclipse ACTF and ACTF-based applications to patch the XML External Entity vulnerability.
  • Update Eclipse ACTF to a version later than 1.6.0.
  • Update ACTF-based applications like miChecker.
  • Disable external entity processing in XML parsers.
  • Validate and sanitize all XML input.
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-2026-14304.

URL Resource
https://eclipse.dev/actf/downloads/tools/miChecker/vulnerability.html Vendor Advisory
https://github.com/eclipse-actf/org.eclipse.actf Product
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/151 Vendor Advisory
https://www.soumu.go.jp/info-accessibility-portal/webaccessibility/michecker/ Product
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-14304 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-2026-14304 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-2026-14304 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-14304 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]

    Aug. 10, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    Added CPE Configuration OR *cpe:2.3:a:soumu:michecker:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.0 *cpe:2.3:a:eclipse:accessibility_tools_framework:*:*:*:*:*:*:*:* versions from (including) 0.5.0 up to (including) 1.6.0
    Added Reference Type Eclipse Foundation: https://eclipse.dev/actf/downloads/tools/miChecker/vulnerability.html Types: Vendor Advisory
    Added Reference Type Eclipse Foundation: https://github.com/eclipse-actf/org.eclipse.actf Types: Product
    Added Reference Type Eclipse Foundation: https://gitlab.eclipse.org/security/cve-assignment/-/work_items/151 Types: Vendor Advisory
    Added Reference Type Eclipse Foundation: https://www.soumu.go.jp/info-accessibility-portal/webaccessibility/michecker/ Types: Product
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 05, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-14304', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-05T13:03:48.752239Z'}
  • New CVE Received by [email protected]

    Aug. 05, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Eclipse Foundation', 'product': 'Eclipse Accessibility Tools Framework (ACTF)', 'versions': [{'status': 'affected', 'version': '0.5.0', 'versionType': 'semver', 'lessThanOrEqual': '1.6.0'}, {'status': 'affected', 'version': '0', 'versionType': 'git', 'lessThanOrEqual': 'v20260630'}], 'defaultStatus': 'unaffected'}]
    Added Description In Eclipse Accessibility Tools Framework (ACTF) versions up to 1.6.0 (including source code versions up to v20260630 and ACTF based application miChecker versions up to 3.1.0), it has been identified that an XML External Entity (XXE) vulnerability exists. If this vulnerability is exploited, a malicious third party could gain access to local resources or internal network resources via computer running applications that use Eclipse ACTF, including miChecker.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-611
    Added Reference https://eclipse.dev/actf/downloads/tools/miChecker/vulnerability.html
    Added Reference https://github.com/eclipse-actf/org.eclipse.actf
    Added Reference https://gitlab.eclipse.org/security/cve-assignment/-/work_items/151
    Added Reference https://www.soumu.go.jp/info-accessibility-portal/webaccessibility/michecker/
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.