CVE-2025-36038

Name: CVE-2025-36038
Creator: NVD / NIST
Published: 2025-06-25T21:15:20.447+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 8.02%

Last modified Jun 17, 2026

CVE-2025-36038 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.. EPSS estimates a 8.02% chance of exploitation in the next 30 days.

Description

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

8.02%

94.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Ibm	Websphere Application Server	>= 8.5, < 8.5.5.28
Ibm	Websphere Application Server	>= 9.0, < 9.0.5.25

References

https://www.ibm.com/support/pages/node/7237967Vendor Advisory

Timeline

Published: Jun 25, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-36038?

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.

How severe is CVE-2025-36038?

CVE-2025-36038 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 8.02% probability of exploitation in the next 30 days.

How do I fix CVE-2025-36038?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-36038?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST