01 Record
CVE-2026-107457
Memory corruption vulnerability in QMqttClient impacts Qt MQTT
LowPUBLISHEDCNA: Qt
CNA base score2.3 CVSS v4.0CVSS: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/R:U/RE:L/U:Green
02 Description
Memory corruption vulnerability in QMqttClient impacts Qt MQTT
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Not recorded
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-11-02 08:38Z1 HR AGO
- Last updated
- 2026-11-02 08:38Z1 HR AGO
- Reserved
- 2026-10-08
- Assigning CNA
- Qt
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.3)
- CNA CVSS vector
- 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/R:U/RE:L/U:Green
- Weaknesses
- Data version
- 5.2
- Document digest
- b103dc6c410263c60c84ab48ef24b211f176f906662d3648b36fb341cb82b18f
05 Affected products
VendorProductVersionsPlatforms
06 References
- wiki.qt.iohttps://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107457:
- codereview.qt-project.orghttps://codereview.qt-project.org/c/qt/qtmqtt/+/762286