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    CVE-2025-15224

    When doing SSH-based transfers using either SCP or SFTP, and asked to do public key authentication, curl would wrongly still ask and authenticate using a locally running SSH agent.

    Published:Jan 8, 2026
    Last Modified:Jan 20, 2026
    EPS:Jan 8, 2026
    EPSS Score:0.00089
    CVSS Score:3.1

    Affected Products

    Vendor
    Curl
    Product
    Curl
    Vendor
    Haxx
    Product
    Curl

    Exploits

    https://hackerone.com/reports/3480925

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

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    CVE-2026-80230 (CVSS 7.5) — When `CURLOPT_PINNEDPUBLICKEY` is configured alongside options that disable standard peer verification (`CURLO…
    CVE-2026-80229 (CVSS 7.5) — When performing transfers via libcurl’s multi interface, pooled TLS connections can outlive their originating …
    CVE-2026-19931 (CVSS 9.8) — A flaw in libcurl makes it wrongly reuse an HTTP connection setup for a given hostname using Negotiate authent…
    CVE-2026-18924 (CVSS 9.1) — A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent handle is set to share connections…
    CVE-2026-13608 (CVSS 7.4) — A flaw in the libcurl SASL negotiation for LDAP authentication allows an incomplete handshake sequence to be m…
    CVE-2026-9547 (CVSS 7.4) — When a libcurl-based application performs transfers via `SCP://` or `SFTP://` and utilizes the `CURLOPT_SSH_KE…

    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