What is CVE-2025-26340?

CVE-2025-26340 is a high-severity vulnerability in Q-Free Maxtime, classified under Use of Hard-coded Cryptographic Key. CVSS score: 8.8/10. Published 2025-02-12.

How severe is CVE-2025-26340?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Q-Free Maxtime

CVE-2025-26340

A CWE-321 "Use of Hard-coded Cryptographic Key" in the JWT signing in Q-Free MaxTime less than or equal to version 2.11.0 allows an unauthenticated remote attacker to bypass the authentication via crafted HTTP requests.

Published 2025-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.012 · change: +0.000

Affected products

Q-Free Maxtime — versions 0

Weakness classification (CWE)

CWE-321 — Use of Hard-coded Cryptographic Key

References

www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-26340 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-26340?: CVE-2025-26340 is a high-severity vulnerability in Q-Free Maxtime, classified under Use of Hard-coded Cryptographic Key. CVSS score: 8.8/10. Published 2025-02-12.
How severe is CVE-2025-26340?: High severity. CVSS v3 base score is 8.8 out of 10.