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    CVE-2023-46303

    link_to_local_path in ebooks/conversion/plugins/html_input.py in calibre before 6.19.0 can, by default, add resources outside of the document root.

    Published:Oct 22, 2023
    Last Modified:Nov 4, 2025
    EPS:Oct 22, 2023
    EPSS Score:0.00533
    CVSS Score:7.5

    Affected Products

    Vendor
    Calibre-ebook
    Product
    Calibre

    Exploits

    https://github.com/0x1717/ssrf-via-imghttps://github.com/0x1717/ssrf-via-img

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

    CVE-2026-33206 (CVSS 8.2) — calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to …
    CVE-2026-33205 (CVSS 4.8) — calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to …
    CVE-2026-30853 (CVSS 5) — calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to …
    CVE-2026-27824 (CVSS 5.3) — calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to …
    CVE-2026-27810 (CVSS 6.4) — calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to …
    CVE-2026-26065 (CVSS 9.3) — calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions …
    CVE-2026-26064 (CVSS 9.3) — calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions …
    CVE-2026-25731 (CVSS 7.8) — calibre is an e-book manager. Prior to 9.2.0, a Server-Side Template Injection (SSTI) vulnerability in Calibre…
    CVE-2026-25635 (CVSS 8.6) — calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability tha…
    CVE-2026-25636 (CVSS 8.2) — calibre is an e-book manager. In 9.1.0 and earlier, a path traversal vulnerability in Calibre's EPUB conversio…

    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