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    CVE-2025-55161

    Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to version 1.1.0, when using the /api/v1/convert/markdown/pdf endpoint to convert Markdown to PDF, the backend calls a third-party tool to process it and includes a sanitizer for security sanitization which can be bypassed and result in SSRF. This issue has been patched in version 1.1.0.

    Published:Aug 11, 2025
    Last Modified:Aug 15, 2025
    EPS:Aug 11, 2025
    EPSS Score:0.00056
    CVSS Score:8.6

    Affected Products

    Vendor
    Stirlingpdf
    Product
    Stirling Pdf

    Exploits

    https://github.com/Stirling-Tools/Stirling-PDF/security/advisories/GHSA-ff33-grr6-rmvp

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

    CVE-2026-33436 (CVSS 3.1) — Stirling-PDF is a locally hosted web application that facilitates various operations on PDF files. In versions…
    CVE-2026-34071 (CVSS 5.4) — Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. I…
    CVE-2026-33438 (CVSS 6.5) — Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. V…
    CVE-2026-27625 (CVSS 8.1) — Stirling-PDF is a locally hosted web application that performs various operations on PDF files. In versions pr…
    CVE-2025-55150 (CVSS 8.6) — Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to versi…
    CVE-2025-55151 (CVSS 8.6) — Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to versi…
    CVE-2025-46568 (CVSS 7.7) — Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. P…
    CVE-2024-52286 (CVSS 2) — Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. I…
    CVE-2024-9075 (CVSS 2.3) — A vulnerability was found in Stirling-Tools Stirling-PDF up to 0.28.3. It has been declared as problematic. Th…

    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