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    CVE-2026-112269

    SGLang through 0.5.22 with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on the Prefill rank ZMQ PULL socket, allowing denial of service. Network-adjacent attackers can send many registrations with unique mooncake_session_id values and large nested-buffer frames to exhaust Prefill memory until the scheduler is OOM-killed.

    Published:Oct 19, 2026
    Last Modified:Oct 19, 2026
    EPS:Oct 19, 2026
    EPSS Score:
    CVSS Score:6.5

    Affected Products

    Vendor
    Sgl-project
    Product
    Sglang

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-112266 (CVSS 8.2) — SGLang through 0.5.22 contains a denial of service vulnerability that allows API clients to abort other users'…
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    CVE-2026-112082 (CVSS 7.7) — A vulnerability was identified in sgl-project SGLang up to 0.5.19. This impacts the function Scheduler.expert_…
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    CVE-2026-111391 (CVSS 9.2) — SGLang 0.5.10 through 0.5.22 contains a code injection vulnerability in _evaluate_filter() that allows remote …
    CVE-2026-110809 (CVSS 2.1) — A security vulnerability has been detected in sgl-project SGLang up to 0.5.19. Affected by this issue is the f…
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    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