CVE-2026-10842: websphere — Fix

Description

IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 Traditional and Liberty could allow a remote attacker to bypass security constraints.

Is your site exposed to CVE-2026-10842?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0033

Probability of exploitation

0.25%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-289 CWE-289

Affected Products

Vendor	Product	Versions
ibm	websphere_application_server	8.5.0.0 — 8.5.5.31
ibm	websphere_application_server	9.0.0.0 — 9.0.5.29
ibm	websphere_application_server	17.0.0.3 — 26.0.0.8

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7280131

Frequently Asked Questions

What is CVE-2026-10842? +

IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 Traditional and Liberty could allow a remote attacker to bypass security constraints. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-10842? +

CVE-2026-10842 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0033, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-10842? +

CVE-2026-10842 affects products from ibm, specifically: websphere_application_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-10842? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-56091

When using Apache Shiro with the shiro-guice module in a web servlet context, a specially crafted HTTP request may cause …

CVE-2024-56511 9.8

DataEase is an open source data visualization analysis tool. Prior to 2.10.4, there is a flaw in the authentication in …

CVE-2026-9701 9.8

The Eventer plugin for WordPress is vulnerable to an insecure password reset mechanism in all versions up to, and including, …

CVE-2026-8457 9.8

The WooCommerce - Social Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to and including …

CVE-2025-13613 9.8

The Elated Membership plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.2. This …

CVE-2025-29266 9.6

Unraid 7.0.0 before 7.0.1 allows remote users to access the Unraid WebGUI and web console as root without authentication if …

CVE-2026-10842