CVE-2026-16435

MEDIUM

Published Sep 14, 2026 Modified Sep 16, 2026 CWE-650

Description

IBM WebSphere Application Server 9.0, and 8.5 is affected by an authentication bypass vulnerability when using XD or Intelligent-Management features.

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CVSS v3.1 Score

5.9

MEDIUM

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

EPSS — Exploit Prediction

0.0031

Probability of exploitation

0.23%

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-650 CWE-650

References

Other References

https://www.ibm.com/support/pages/node/7286610

Frequently Asked Questions

What is CVE-2026-16435? +

IBM WebSphere Application Server 9.0, and 8.5 is affected by an authentication bypass vulnerability when using XD or Intelligent-Management features. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2026-16435? +

CVE-2026-16435 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0031, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-16435? +

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.

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