Skip to content
major vulnerability· requires attention

Affects IBM WebSphere Liberty, a widely deployed enterprise app server; unauthenticated remote corruption of batch job state can disrupt business processing and is high-impact.

Applications

CVE-2026-93905

8.2
High
EPSS 0.33%Patch availableOct 16, 2026

Unauthenticated remote attacker can corrupt persisted batch job status in IBM WebSphere Liberty.

common questions

Is CVE-2026-93905 being exploited?

Not confirmed. CVE-2026-93905 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.33% probability of exploitation in the next 30 days.

How severe is CVE-2026-93905?

CVE-2026-93905 is rated High with a CVSS score of 8.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-93905?

Yes. A fix has been recorded for CVE-2026-93905. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-93905 affect?

CVE-2026-93905 affects IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-93905?

Apply IBM's Liberty security update immediately and verify batch job integrity.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10
impact

Unauthenticated remote attacker can corrupt persisted batch job instance status, causing job failures, data inconsistency, and potential denial of service to batch processing.

action required

Immediate action required

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
get alerted

Track only the vulnerabilities that affect your infrastructure.

start for free