CVE-2026-14512CWE-502insecure-deserialization

CVE-2026-14512

Critical · published July 29, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
61.6
In the wild
Unconfirmed
What it is

IBM WebSphere Application Server 9.0, and 8.5 traditional is vulnerable to pre-authentication unsafe deserialization which could allow a remote attacker to bypass authentication or execute arbitrary code.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00970 · 61.6th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-07-29T01:17Z
Affected products (2)
ProductVersionsFixed in
ibm/websphere_application_server≥ 8.5.0.0, < 8.5.5.318.5.5.31
ibm/websphere_application_server≥ 9.0.0.0, < 9.0.5.299.0.5.29
References (1)
https://www.ibm.com/support/pages/node/7281649 · [email protected]
EPSS history
Timeline
  • 28 JUL 20:50Z
    IBM WebSphere Application Server is affected by an unsafe deserialization and exposure of sensitive information
    cvelistv5