Vulnerability · Published Oct 13, 2026 · Assigned by ibm

CVE-2026-93905IBM WebSphere Application Server Liberty is affected by a deserialization of untrusted data

High 8.2

In plain English

A high-severity unsafe deserialization in WebSphere Application Server - Liberty from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.3%top 73.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 could allow an unauthenticated remote attacker to corrupt the persisted status of batch job instances.

Affected products (as reported)

VendorProductVersions
IBM WebSphere Application Server - Liberty 17.0.0.3 – through 26.0.0.10

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

References