PT-2026-44985 · Nanomq · Nanomq

Grant-Yim · CVE-2026-44640 · Published 2026-05-29 · Updated 2026-07-22

Positive Technologies (AI Summary)

CVSS v3.1

4.5

Medium

Base vector

AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions NanoMQ versions prior to 0.24.14

Description A type confusion occurs when aio->prov data is stored as nni quic conn* during the dialing process but is subsequently read as ex quic conn* during the dialer close. This discrepancy leads to invalid object interpretation, resulting in a hang or crash during the close-path execution.

Recommendations Update to version 0.24.14.

Exploit

Fix

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

CVE-2026-44640

GHSA-9FGW-V323-JMJJ

Affected Products

Nanomq

References · 9

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44640.json · Exploit
• 🔥 https://github.com/nanomq/nanomq/security/advisories/GHSA-9fgw-v323-jmjj · Exploit
• https://osv.dev/vulnerability/CVE-2026-44640 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-44640 · Security Note
• https://github.com/nanomq/nanomq/releases/tag/0.24.14 · Note
• https://t.me/cveNotify/165281 · Telegram Post
• https://t.me/cveNotify/211306 · Telegram Post
• https://twitter.com/CVEnew/status/2060470651727561069 · Twitter Post
• https://t.me/CVEtracker/55294 · Telegram Post