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    CVE-2025-46341

    FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, when the server is using HTTP auth via reverse proxy, it's possible to impersonate any user either via the `Remote-User` header or the `X-WebAuth-User` header by making specially crafted requests via the add feed functionality and obtaining the CSRF token via XPath scraping. The attacker has to know the IP address of the proxied FreshRSS instance and the admin's username, while also having an account on the instance. An attacker can send specially crafted requests in order to gain unauthorized access to internal services. This can also lead to privilege escalation like in the demonstrated scenario, although users that have setup OIDC are not affected by privilege escalation. Version 1.26.2 contains a patch for the issue.

    Published:Jun 4, 2025
    Last Modified:Aug 12, 2025
    EPS:Jun 4, 2025
    EPSS Score:0.0008
    CVSS Score:7.1

    Affected Products

    Vendor
    Freshrss
    Product
    Freshrss

    Exploits

    https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-w3m8-wcf4-h8vm

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

    CVE-2025-68402 (CVSS 8.2) — FreshRSS is a free, self-hostable RSS aggregator. From 57e1a37 - 00f2f04, the lengths of the nonce was changed…
    CVE-2025-62166 (CVSS 7.5) — FreshRSS is a free, self-hostable RSS aggregator. Prior 1.28.0, a bug in the auth logic related to master auth…
    CVE-2025-68148 (CVSS 4.3) — FreshRSS is a free, self-hostable RSS aggregator. From version 1.27.0 to before 1.28.0, An attacker could glob…
    CVE-2025-68932 (CVSS 2.9) — FreshRSS is a free, self-hostable RSS aggregator. Prior to version 1.28.0, FreshRSS uses cryptographically wea…
    CVE-2025-59949 (CVSS 5.3) — FreshRSS is a free, self-hostable RSS aggregator. Versions prior to 1.27.1 have a logout cross-site request fo…
    CVE-2025-58173 (CVSS 7.4) — FreshRSS is a self-hosted RSS feed aggregator. In versions 1.23.0 through 1.27.0, using a path traversal insid…
    CVE-2025-59950 (CVSS 6.7) — FreshRSS is a free, self-hostable RSS aggregator. In versions 1.26.3 and below, due to a bypass of double clic…
    CVE-2025-61586 (CVSS 6.9) — FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below are vulnerable to directory enumer…
    CVE-2025-59948 (CVSS 6.7) — FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below do not sanitize certain event hand…
    CVE-2025-57769 (CVSS 5.3) — FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below contain a vulnerability where a sp…

    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