What is CVE-2026-42667?

CVE-2026-42667 is a high-severity vulnerability in Bookly, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 7.5/10. Published 2026-06-15.

How severe is CVE-2026-42667?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Bookly

CVE-2026-42667

Unauthenticated Sensitive Data Exposure in Bookly <= 27.4 versions.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Bookly — versions n/a

Weakness classification (CWE)

CWE-201 — Insertion of Sensitive Information into Sent Data

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-42667?: CVE-2026-42667 is a high-severity vulnerability in Bookly, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 7.5/10. Published 2026-06-15.
How severe is CVE-2026-42667?: High severity. CVSS v3 base score is 7.5 out of 10.