CVE-2026-4101
Auth bypass in IBM Verify Identity Access/Verify Access containers under load.
Is CVE-2026-4101 being exploited?
Not confirmed. CVE-2026-4101 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 0.36% probability of exploitation in the next 30 days.
How severe is CVE-2026-4101?
CVE-2026-4101 is rated High with a CVSS score of 8.1. 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-2026-4101?
Yes. A fix has been recorded for CVE-2026-4101. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-4101 affect?
CVE-2026-4101 affects IBM Verify Identity Access Container 11.0-11.0.2, IBM Security Verify Access Container 10.0-10.0.9.1, IBM Verify Identity Access 11.0-11.0.2, IBM Security Verify Access 10.0-10.0.9.1. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-4101?
Patch when available; monitor auth events and restrict access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker can bypass authentication and gain unauthorized access to the app under certain load.
Patch when possible
- affected>= 10.0 and <= 10.0.9.1
- affected>= 10.0 and <= 10.0.9.1
- affected>= 11.0 and <= 11.0.2
- affected>= 11.0 and <= 11.0.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.