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CVE-2026-48775

CVE-2026-48775 · LangGraph Checkpoint: Unsafe JSON deserialization in checkpoint loading

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LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB (both sync and async, via aiosqlite). In versions 4.1.0 and prior, the JsonPlusSerializer can reconstruct Python objects from JSON checkpoint payloads. Under conditions where someone could modify checkpoint bytes at rest in the backing store, the deserialization path could reconstruct objects beyond what the application expects, which could in turn result in code execution at checkpoint load time. This is a defense-in-depth issue. The affected behavior is reachable only when checkpoint bytes at rest in the backing store can be modified by an unauthorized party. In most deployments that prerequisite already implies a serious incident; the additional concern is turning "checkpoint-store write access" into code execution in the application runtime. This issue has been fixed in version 4.1.1.

CVSS 6.8 · Средний · EPSS 0,2% · Есть исправление

Опубликовано
Обновлено

Стек: python

Затронутые продукты и версии

  • langgraph

    Версии
    • < 1.2.2: Затронуто

    Нет опубликованного исправления

  • langraph-checkpoint

    Версии
    • < 4.1.1: Затронуто

    Нет опубликованного исправления

  • langgraph-checkpoint PyPI

    Версии
    • 1.0.0
    • 1.0.1
    • 1.0.10
    • 1.0.11
    • 1.0.12
    • 1.0.13
    • 1.0.14
    • 1.0.2
    • 1.0.3
    • 1.0.4
    • 1.0.5
    • 1.0.6
    • 1.0.7
    • 1.0.8
    • 1.0.9
    • 2.0.0
    • 2.0.1
    • 2.0.10
    • 2.0.12
    • 2.0.13
    • 2.0.14
    • 2.0.15
    • 2.0.16
    • 2.0.17
    • 2.0.18
    • 2.0.19
    • 2.0.2
    • 2.0.20
    • 2.0.21
    • 2.0.22
    • 2.0.23
    • 2.0.24
    • 2.0.25
    • 2.0.26
    • 2.0.3
    • 2.0.4
    • 2.0.5
    • 2.0.6
    • 2.0.7
    • 2.0.8
    • 2.0.9
    • 2.1.0
    • 2.1.1
    • 2.1.2
    • 3.0.0
    • 3.0.1
    • 4.0.0
    • 4.0.1
    • 4.0.1rc1
    • 4.0.1rc2
    • 4.0.1rc3
    • 4.0.2
    • 4.0.3
    • 4.1.0
    • 4.1.0a1
    • 4.1.0a2
    • 4.1.0a3
    • 4.1.0a4
    Затронутые диапазоны версий
    • ECOSYSTEM: < 4.1.1

    Обновитесь до 4.1.1

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