What is CVE-2026-25439?

CVE-2026-25439 is a high-severity vulnerability in Fs-code Booknetic, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 8.1/10. Published 2026-06-17.

How severe is CVE-2026-25439?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Fs-code Booknetic

CVE-2026-25439

Unauthenticated Broken Authentication in Booknetic <= 4.8.5 versions.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fs-code Booknetic — versions n/a

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-25439?: CVE-2026-25439 is a high-severity vulnerability in Fs-code Booknetic, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 8.1/10. Published 2026-06-17.
How severe is CVE-2026-25439?: High severity. CVSS v3 base score is 8.1 out of 10.