🛡️ CVE-2025-36038 — websphere-application-server

🔴 CVSS 9.0 — Critical ✅ No Known Exploit CWE-502 NVD
9.0
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2025-36038 is classified as CWE-502: Deserialization of Untrusted Data. Serialised data from an untrusted source is reconstructed into objects, which can trigger code during the process.

Affected software

CVE-2025-36038 is recorded against 1 package.

  • websphere-application-server (from 9.0 up to 9.0.5.25)

Timeline and source

Published on 25 June 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.ibm.com

Details

Severity CRITICAL
CVSS Score 9.0
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-502
Public Exploit ✅ No
Source NVD
Published 2025-06-25
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
websphere-application-server 9.0 9.0.5.25

Similar Threats

Exploit Protection

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