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CVE-2026-44640

24
FAUCET Score

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.

First published: May 29, 2026Last modified: May 29, 2026

Impacted Technologies

VendorProductVersion(s)CPE
NanomqNanomq
< 0.24.14CNA affected

CVSS Data

CVSS version used by this source: 3.1

4.5MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.0
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.10%
Probability of exploitation in next 30 days
EPSS Percentile
0.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0010 is in the 2nd percentile among its peer group of 167 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / nanomq/nanomq/releases/tag/0.24.14
github.com / nanomq/nanomq/security/advisories/GHSA-9fgw-v323-jmjj