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    CVE-2026-73058

    stoatchat versions before 0.15.0 fail to block the IPv6 unspecified address (::) in the SSRF blocklist, allowing unauthenticated attackers to bypass protections via the /proxy and /embed endpoints. Attackers can craft requests using IPv6 literal syntax to access services on the loopback interface and retrieve sensitive internal content.

    Published:Aug 16, 2026
    Last Modified:Aug 17, 2026
    EPS:Aug 16, 2026
    EPSS Score:0.00238
    CVSS Score:5.8

    Affected Products

    Vendor
    Stoatchat
    Product
    Stoatchat

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

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    CVE-2026-63088 (CVSS 7.7) — stoatchat before 0.14.0 contains a server-side request forgery (SSRF) vulnerability that allows unauthenticate…
    CVE-2024-58360 (CVSS 6.9) — stoatchat versions before 0.7.8 fail to enforce account creation restrictions including invite-only mode, emai…
    CVE-2026-63306 (CVSS 9.2) — stoatchat before 0.13.5 contains an unauthenticated server-side request forgery vulnerability in the /proxy an…
    CVE-2025-71388 (CVSS 7.6) — stoatchat (delta/Revolt) versions from 20241213-1 before 20250210-1 allow users with only ViewChannel (read) p…
    CVE-2025-71377 (CVSS 8.7) — stoatchat (delta) versions before 20250210-1 (0.8.2) contain a logic error in the query messages route. When f…

    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