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    CVE-2026-53449

    Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, the psd print sessions dump CLI command in coturn takes a filename argument and directly passes it to fopen with no path validation. An authenticated admin with CLI access can overwrite arbitrary files writable by the coturn process because the command string is used as-is after stripping the psd prefix and leading spaces, allowing truncation and overwrite with session dump data. This issue is fixed in version 4.13.0.

    Published:Jul 10, 2026
    Last Modified:Jul 13, 2026
    EPS:Jul 10, 2026
    EPSS Score:0.00176
    CVSS Score:6

    Affected Products

    Vendor
    Coturn
    Product
    Coturn

    Exploits

    https://github.com/coturn/coturn/security/advisories/GHSA-jj76-vwjw-w34rhttps://github.com/coturn/coturn/security/advisories/GHSA-jj76-vwjw-w34r

    Related CVEs

    CVE-2026-68555 (CVSS 6.5) — Coturn is a free open source implementation of TURN and STUN Server. In 4.15.0, an authenticated TURN user can…
    CVE-2026-68552 (CVSS 5.3) — Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an unauthenticated remot…
    CVE-2026-68554 (CVSS 2.3) — Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can …
    CVE-2026-68553 (CVSS 7.1) — Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, an authenticated TURN us…
    CVE-2026-73216 (CVSS 6.5) — Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, shutdown_client_connecti…
    CVE-2026-73215 (CVSS 7.1) — Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, turnports_allocate_even(…
    CVE-2026-73214 (CVSS 8.2) — Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.16.0, dtls_server_input_handle…
    CVE-2026-73213 (CVSS 5.8) — Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.16.0, addr_less_eq() in src/cl…
    CVE-2026-73212 (CVSS 5.8) — Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.1, good_peer_addr() in src/…
    CVE-2026-65981 (CVSS 7.1) — Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, a server using --mobilit…

    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