CVE-2026-111243

Published Nov 10, 2026 CWE-613

Description

A negative MicroProfile JWT clock skew setting is not rejected and disables validation of the token expiration and other time-based claims. In such configurations, an attacker in possession of an expired token can still authenticate with it. Users are recommended to upgrade to version 10.3.0 or 11.0.0-M2, which fix the issue.

Is your site exposed to CVE-2026-111243?

Run a free security scan — no signup, results in seconds.

Weakness Type (CWE)

CWE-613 CWE-613

References

Frequently Asked Questions

What is CVE-2026-111243? +
A negative MicroProfile JWT clock skew setting is not rejected and disables validation of the token expiration and other time-based claims. In such configurations, an attacker in possession of an expired token can still authenticate with it. Users are recommended to upgrade to version 10.3.0 or 11.0.0-M2, which fix the issue.
How do I check if I'm vulnerable to CVE-2026-111243? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2026-111243 — free, no signup required.

Patch on a server you control

Spin up a fresh, up-to-date VPS to test or deploy the fix.

Compare VPS prices →

Affiliate links: we may earn a commission, your price stays the same.