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CVE-2026-107727

CVE-2026-107727 · Strawberry legacy graphql-ws retains naturally completed subscription slots

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Strawberry GraphQL is a library for creating GraphQL APIs. From 0.312.3 until 0.327.2, the legacy graphql-ws subscription handler in strawberry/subscriptions/protocols/graphql_ws/handlers.py does not remove naturally completed operations from self.tasks and self.subscriptions. When max_subscriptions_per_connection is configured, a client on a persistent WebSocket connection can use distinct operation IDs for one-shot subscriptions to fill the connection's configured slots even after those subscriptions send complete, causing later legitimate operations on that connection to be rejected with Subscription limit reached. The modern graphql-transport-ws protocol and deployments without the configured per-connection cap are not affected. This issue is fixed in version 0.327.2.

CVSS 3.7 · Niedrig · EPSS 0,4% · Korrektur verfügbar

Veröffentlicht
Aktualisiert

Technologie-Stack: python

Betroffene Produkte und Versionen

  • strawberry

    Softwareversionen
    • >= 0.312.3, < 0.327.2: Betroffen

    Keine Korrektur veröffentlicht

  • strawberry-graphql PyPI

    Softwareversionen
    • 0.312.3
    • 0.312.4
    • 0.313.0
    • 0.314.0
    • 0.314.1
    • 0.314.2
    • 0.314.3
    • 0.315.0
    • 0.315.1
    • 0.315.2
    • 0.315.3
    • 0.315.4
    • 0.315.5
    • 0.315.6
    • 0.315.7
    • 0.316.0
    • 0.317.0
    • 0.317.1
    • 0.317.2
    • 0.318.0
    • 0.318.1
    • 0.319.0
    • 0.320.0
    • 0.320.1
    • 0.320.2
    • 0.320.3
    • 0.320.4
    • 0.321.0
    • 0.321.1
    • 0.322.0
    • 0.322.1
    • 0.322.2
    • 0.323.0
    • 0.323.1
    • 0.323.2
    • 0.324.0
    • 0.324.1
    • 0.324.2
    • 0.324.3
    • 0.324.4
    • 0.324.5
    • 0.325.0
    • 0.326.0
    • 0.326.1
    • 0.327.0
    • 0.327.1
    Betroffene Versionsbereiche
    • ECOSYSTEM: ≥ 0.312.3, < 0.327.2

    Auf 0.327.2 aktualisieren

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