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    CVE-2026-35461

    Papra is a minimalistic document management and archiving platform. Prior to 26.4.0, the Papra webhook system allows authenticated users to register arbitrary URLs as webhook endpoints with no validation of the destination address. The server makes outbound HTTP POST requests to registered URLs, including localhost, internal network ranges, and cloud provider metadata endpoints, on every document event. This vulnerability is fixed in 26.4.0.

    Published:Apr 7, 2026
    Last Modified:Apr 24, 2026
    EPS:Apr 7, 2026
    EPSS Score:0.00028
    CVSS Score:5

    Affected Products

    Vendor
    Papra
    Product
    Papra
    Vendor
    Papra-hq
    Product
    Papra

    Exploits

    https://github.com/papra-hq/papra/security/advisories/GHSA-cjw7-qg95-58mqhttps://github.com/papra-hq/papra/security/advisories/GHSA-cjw7-qg95-58mq

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    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