CVE-2025-36038

IBM WebSphere Application Server code execution

At a glance

Severity: CRITICAL 9.0
EPSS: EPSS 13.31 % · percentile 96 (2026-10-27)
State: PUBLISHED
Published: 2025-06-25
Updated: 2026-02-26
Assigner: ibm
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.0	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H	ibm
CVSS 3.1	CRITICAL 9.0	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H	NVD · psirt@us.ibm.com (Secondary)
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-502

European references

ENISA EUVD · EUVD-2025-19137
GCVE · GCVE-0-2025-36038

CERT-FR advisories

CERTFR-2025-AVI-0608 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2025-AVI-0590 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2025-AVI-0546 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* ≥ 8.5 < 8.5.5.28
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* ≥ 9.0 < 9.0.5.25

Affected products

Product	Versions
IBM · WebSphere Application Server	affected 8.5 ; affected 9.0

References

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD