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CVE-2026-44640— NanoMQ: QUIC Dialer Close Type Confusion

CVSS 4.5 · Medium

Possible ATT&CK Techniques 1AI

T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2026-44640

Vulnerability Information
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Vulnerability Title
NanoMQ: QUIC Dialer Close Type Confusion
Source: NVD (National Vulnerability Database)
Vulnerability Description
NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. Prior to 0.24.14, aio->prov_data is stored as nni_quic_conn* during dialing, but read as ex_quic_conn* during dialer close. This type confusion causes invalid object interpretation and leads to close-path hang/crash behavior. This vulnerability is fixed in 0.24.14.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
nanomqnanomq < 0.24.14 -

II. Public POCs for CVE-2026-44640

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III. Intelligence Information for CVE-2026-44640

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Vendor Advisories for CVE-2026-44640 (1)

Vendor Pages for CVE-2026-44640 (1)

IV. Related Vulnerabilities

Same product: nanomq
Same vendor: nanomq
Same weakness: CWE-843

V. Comments for CVE-2026-44640

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