PYSEC-2026-307

    Dashboard / Vulnerabilities / PYSEC-2026-307

    PYSEC-2026-307

    Published: 29 Jun 2026Last Modified: 1 Jul 2026

    Summary: calibre-web is vulnerable to Business Logic Errors

    Details: calibre-web is vulnerable to Business Logic Errors

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-4171, https://github.com/janeczku/calibre-web/commit/3e0d8763c377d2146462811e3e4ccf13f0d312ce, https://github.com/janeczku/calibre-web, https://huntr.dev/bounties/1117f439-133c-4563-afb2-6cd80607bd5c, https://pypi.org/project/calibreweb, https://github.com/advisories/GHSA-xp7p-3gx7-j6wx

    Affected packages

    Package

    Name: calibreweb

    Purl: pkg:pypi/calibreweb

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.6.15

    Affected versions

    0.6.12
    0.6.13
    0.6.14

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2026-307 | CVE-DB