CVE-2026-93905: CWE-502 Deserialization of Untrusted Data in IBM WebSphere Application Server - Liberty
Description
CVE-2026-93905 is a high-severity vulnerability in IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.10. It involves deserialization of untrusted data that could allow an unauthenticated remote attacker to corrupt the persisted status of batch job instances. This vulnerability does not impact confidentiality but can affect the integrity and availability of batch job processing.
CVSS v3.1
Score 8.2high
Affected software
IBM
WebSphere Application Server - Liberty
cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.10:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM WebSphere Application Server - Liberty versions from 17.0.0.3 up to and including 26.0.0.10 are affected by a CWE-502 deserialization vulnerability. An unauthenticated remote attacker could exploit this flaw to corrupt the persisted status of batch job instances, potentially disrupting batch job operations. The CVSS v3.1 base score is 8.2, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, no confidentiality impact, high integrity impact, and low availability impact.
Potential Impact
The vulnerability allows unauthenticated remote attackers to corrupt the integrity of batch job instance statuses, which could lead to incorrect batch job processing or failure. There is no impact on confidentiality. Availability impact is low but present due to potential disruption of batch jobs.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, monitor IBM advisories for updates and consider restricting network access to affected services to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-09-18T20:46:40.183Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ace95e32cdf04f656aad86c
Added to database: 10/13/2026, 20:34:43 UTC
Last enriched: 10/13/2026, 20:48:24 UTC
Last updated: 10/13/2026, 20:50:23 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.