CVE-2026-4101
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedIBM Verify Identity Access Container 11.0 through 11.0.2 and IBM Security Verify Access Container 10.0 through 10.0.9.1 and IBM Verify Identity Access 11.0 through 11.0.2 and IBM Security Verify Access 10.0 through 10.0.9.1 under certain load conditions could allow an attacker to bypass authentication mechanisms and gain unauthorized access to the application.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceIBM Security Verify Access versions 10.0-10.0.9.1 and 11.0-11.0.2 contain an authentication bypass vulnerability that manifests under specific load conditions, likely a race condition or timing attack that allows attackers to circumvent authentication mechanisms and gain unauthorized access to the application.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data>= 10.0.0.0, <= 10.0.9.1>= 10.0.0.0, <= 10.0.9.1>= 11.0.0.0, <= 11.0.2.0>= 11.0.0.0, <= 11.0.2.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify installed product and versionRun the product's version command or check the installed package. For container deployments, inspect the container image version or labels. For native installations, use the product's CLI or check the installed RPM/packagename.Affected if The installed version is between 10.0.0.0 and 10.0.9.1 (for Security Verify Access or Security Verify Access Container) or between 11.0.0.0 and 11.0.2.0 (for Verify Identity Access or Verify Identity Access Container).
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Confirm authentication is enabledCheck the authentication configuration in the product admin console or configuration files. Verify that authentication mechanisms are active and not disabled.Affected if Authentication is currently enabled or configured, as the bypass affects active authentication under load conditions.
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Check for high-load or clustered deploymentInspect whether the deployment uses multiple instances, load balancers, or clustered configurations that create the specific load conditions mentioned in the vulnerability description.Affected if The environment uses load balancing, clustering, or high concurrency that could trigger the race condition or timing window.
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Review authentication logs for anomaliesExamine authentication audit logs for unexpected successful authentications, particularly those occurring during periods of high load or unusual timing patterns.Affected if Log analysis reveals authentication successes that lack corresponding credential submission or show anomalous timing patterns.
The environment is affected if the installed IBM Security Verify Access or Verify Identity Access version falls within the affected ranges AND the product has authentication enabled in a deployment configuration susceptible to the load conditions described (clustered, load-balanced, or high-concurrency).
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply vendor-supplied patches or upgrades to the latest supported version as specified in IBM security bulletins; prior to patching, implement strict network segmentation and monitor for anomalous authentication patterns.
- Consultation8.0 h
- Implementation16.0 h
- Testing12.0 h
- Review / QA8.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-4101 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-4101 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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