Is CVE-2025-26340 in the CISA KEV catalog?

No. CVE-2025-26340 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-26340?

CVE-2025-26340 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2025-26340?

CVE-2025-26340 has an EPSS score of 1.08% (61th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-26340

HIGH

8.8

CVSS v3

NVD

Description

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.

CWE-321

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.08%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-26340

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-24.