CVE-2026-7709

MEDIUM 6.3

janeczku Calibre-Web Endpoint kobo_auth.py generate_auth_token improper authorization

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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 improper authorization. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-285 CWE-266
Vendor	janeczku
Product	calibre-web
Published	May 3, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

janeczku / Calibre-Web

0.6.0 0.6.1 0.6.2 0.6.3 0.6.4 0.6.5 0.6.6 0.6.7 0.6.8 0.6.9 0.6.10 0.6.11 0.6.12 0.6.13 0.6.14 0.6.15 0.6.16 0.6.17 0.6.18 0.6.19 0.6.20 0.6.21 0.6.22 0.6.23 0.6.24 0.6.25 0.6.26

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/360885 vuldb.com: https://vuldb.com/vuln/360885/cti vuldb.com: https://vuldb.com/submit/805823 drive.google.com: https://drive.google.com/drive/folders/1rosrcfxcHrQM7_GOiBwzY_GnCfXoFuVR?usp=drive_link

Credits

🔍 JasperX (VulDB User) VulDB CNA Team