Dashboard / CVE-2026-107457

CVE-2026-107457

LOW
INFO Priority: 0.01 BB Relevance: 55/100
Published: 2026-11-02 Modified: 2026-11-02 First seen: 2026-11-02 Status: active

Attack Surface

Network Low Complexity No Auth

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Passive
S: X
AT: Present
VC: None
VI: None
VA: High

Description

A memory corruption vulnerability in the QMqttClient class of the Qt MQTT module. Under certain MQTT 5 connection settings between client and server, QMqttClient may corrupt memory, which can cause the application to crash.

Weakness Classification (2)

Affected Software (4)

VendorProductVersion
qt Qt 5.12.0
qt Qt 6.9.0
qt Qt 5.12.0
qt Qt 6.9.0

References & Advisories (2)

Bug Bounty Relevance

55 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

2.3 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:X/RE:L/U:Green

EPSS — Exploitation Probability

0.26%
Raw Score 0.002630
Percentile 18.2%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00263
2026-11-12
0.00263
2026-11-10
0.00263
2026-11-09
0.00263
2026-11-08
0.00263
2026-11-07
0.00263
2026-11-06
0.00263
2026-11-05
0.00263
2026-11-04
0.00263
2026-11-03
0.00263

Intelligence Sources

mitre ref →
nvd ref →

External Links