What is CVE-2026-85473?

CVE-2026-85473 is a medium-severity vulnerability in Auth0 Java-Jwt, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2026-10-13.

How severe is CVE-2026-85473?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in Auth0 Java-Jwt

CVE-2026-85473

The auth0/java-jwt library may terminate a thread if it receives a JWT with a timestamp claim (exp, nbf, iat) containing an out-of-range value. The condition occurs during token parsing, prior to signature verification. Repeated requests of this nature may lead to degraded availability of the affected service.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-10-13.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Auth0 Java-Jwt

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-85473?: CVE-2026-85473 is a medium-severity vulnerability in Auth0 Java-Jwt, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2026-10-13.
How severe is CVE-2026-85473?: Medium severity. CVSS v3 base score is 5.3 out of 10.