CVE-2026-7709

janeczku Calibre-Web Endpoint kobo_auth.py generate_auth_token improper authorization

MEDIUM
6.3
CVSS Score
Published: May 3, 2026 at 11:00 PM UTC
Updated: October 26, 2026 at 08:10 PM UTC
1 product affected across 1 vendorCalibre-Web

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-266CWE-285

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