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    CVE-2026-72597

    A server-side request forgery vulnerability in Friendica through the 2026.08-dev branch allows authenticated users with a free self-registered account to probe internal network services via the link-preview endpoint. The endpoint fetches any user-supplied URL without applying an internal IP deny list. An attacker can use this to scan the internal network or access cloud metadata services.

    Published:Aug 11, 2026
    Last Modified:Aug 11, 2026
    EPS:Aug 11, 2026
    EPSS Score:
    CVSS Score:6.5

    Affected Products

    Vendor
    Friendica
    Product
    Friendica

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

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    CVE-2024-27731 (CVSS 6.1) — Cross Site Scripting vulnerability in Friendica v.2023.12 allows a remote attacker to obtain sensitive informa…
    CVE-2024-27729 (CVSS 6.1) — Cross Site Scripting vulnerability in Friendica v.2023.12 allows a remote attacker to obtain sensitive informa…
    CVE-2024-27728 (CVSS 6.1) — Cross Site Scripting vulnerability in Friendica v.2023.12 allows a remote attacker to obtain sensitive informa…
    CVE-2024-27730 (CVSS 9.8) — Insecure Permissions vulnerability in Friendica v.2023.12 allows a remote attacker to obtain sensitive informa…
    CVE-2024-26495 (CVSS 6.1) — Cross Site Scripting (XSS) vulnerability in Friendica versions after v.2023.12, allows a remote attacker to ex…
    CVE-2024-25864 (CVSS 9.1) — Server Side Request Forgery (SSRF) vulnerability in Friendica versions after v.2023.12, allows a remote attack…
    CVE-2021-30141 (CVSS 7.5) — Module/Settings/UserExport.php in Friendica through 2021.01 allows settings/userexport to be used by anonymous…

    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