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    CVE-2026-44596

    Yamcs is a mission control framework. Prior to 5.12.7, the authentication endpoint POST /auth/token in yamcs-core, handled by yamcs-core/src/main/java/org/yamcs/http/auth/AuthHandler.java, lacked any rate limiting, account lockout, or failed-attempt throttling, so an unauthenticated remote attacker could perform unlimited password-guessing attempts against any user account, significantly increasing the risk of successful brute-force attacks. This issue is fixed in versions 5.12.7 and 5.13.0.

    Published:Jul 16, 2026
    Last Modified:Jul 17, 2026
    EPS:Jul 16, 2026
    EPSS Score:0.01387
    CVSS Score:6.5

    Affected Products

    Vendor
    Yamcs
    Product
    Yamcs

    Exploits

    https://github.com/yamcs/yamcs/security/advisories/GHSA-w5r6-mcgq-7pq4https://github.com/yamcs/yamcs/security/advisories/GHSA-w5r6-mcgq-7pq4https://www.exploit-db.com/exploits/52605https://github.com/ex-cal1bur/CVE-2026-44596

    Related CVEs

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    CVE-2026-55545 (CVSS 6.5) — Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs WebSocket subscription handlers fail t…
    CVE-2026-55521 (CVSS 8.8) — Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs omits authorization checks in IndexesA…
    CVE-2026-55511 (CVSS 9.1) — Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs allows a user with SystemPrivilege.Con…
    CVE-2026-55548 (CVSS 4.3) — Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, the PacketsApi.exportPackets endpoint in yam…

    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