Auth bypass in Janeczku Calibre-web
CVE-2026-7709
A vulnerability was identified in janeczku Calibre-Web up to 0.6.26. The impacted element is the function generate_auth_token of the file cps/kobo_auth.py of the component Endpoint. Such manipulation of the argument user_id leads to improp…
EPSS: 0.000 (13.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Janeczku Calibre-web — versions 0.6.0, 0.6.1, 0.6.2
Weakness classification (CWE)
References
- VDB-360885 | janeczku Calibre-Web Endpoint kobo_auth.py generate_auth_token improper authorization (technical-description, vdb-entry)
- VDB-360885 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #805823 | Janeczku Calibre-web V0.6.7-V0.6.26 IDOR in auth-token generation leading to account takeover / user (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-7709?
- CVE-2026-7709 is a medium-severity vulnerability in Janeczku Calibre-web, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-05-03.
- How severe is CVE-2026-7709?
- Medium severity. CVSS v3 base score is 6.3 out of 10.