CVE-2026-114366
Information disclosure vulnerability in authentication handling of QWebSocket impacts Qt Framework
An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of the Qt WebSockets module.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Information disclosure vulnerability in authentication handling of QWebSocket impacts Qt Framework
An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of the Qt WebSockets module.
- Record
CVE-2026-114366- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/RE:L/U:Green - Weakness
- CWE-226
- Updated
- 2026-11-06
EUVDEUVD-2026-117889
An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of the Qt WebSockets module.
- Record
EUVD-2026-117889- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/RE:L/U:Green - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-gx9x-355g-wxcm
An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of...
An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of the Qt WebSockets module.
- Record
GHSA-gx9x-355g-wxcm- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/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:N/R:X/V:X/RE:L/U:Green - Weakness
- CWE-226
- Updated
- 2026-11-06
NVD
An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of the Qt WebSockets module.
- Record
CVE-2026-114366- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/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:N/R:X/V:X/RE:L/U:Green - Weakness
- CWE-226
- Updated
- 2026-11-07
OSVUBUNTU-CVE-2026-114366
An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of the Qt WebSockets module.
- Record
UBUNTU-CVE-2026-114366- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/RE:L/U:Green - Updated
- 2026-11-07
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
qtwebsockets-opensource-srcUbuntu:16.04:LTS |
All versions, plus listed versions 5.4.2-2build15.5.1-4build1 |
None known |
qtwebsockets-opensource-srcUbuntu:18.04:LTS |
All versions, plus listed versions 5.9.1-35.9.2-3build15.9.3-0ubuntu15.9.4-0ubuntu15.9.5-0ubuntu1 |
None known |
qtwebsockets-opensource-srcUbuntu:20.04:LTS |
All versions, plus listed versions 5.12.4-15.12.5-25.12.5-2build15.12.8-0ubuntu1 |
None known |
qt6-websocketsUbuntu:22.04:LTS |
All versions, plus listed versions 6.2.2-36.2.4-1 |
None known |
qtwebsockets-opensource-srcUbuntu:22.04:LTS |
All versions, plus listed versions 5.15.2-25.15.3-1 |
None known |
qt6-websocketsUbuntu:24.04:LTS |
All versions, plus listed versions 6.4.2-36.4.2-3build16.4.2-3build2 |
None known |
qtwebsockets-opensource-srcUbuntu:24.04:LTS |
All versions, plus listed versions 5.15.10-25.15.12-15.15.12-1build15.15.12-1build25.15.13-1 |
None known |
qt6-websocketsUbuntu:26.10 |
All versions, plus listed versions 6.10.2-16.10.2-36.11.2-1 |
None known |
qtwebsockets-opensource-srcUbuntu:26.10 |
All versions, plus listed versions 5.15.18-15.15.19-2 |
None known |
qt6-websocketsUbuntu:26.04:LTS |
All versions, plus listed versions 6.9.2-16.9.2-36.10.2-1 |
None known |
qtwebsockets-opensource-srcUbuntu:26.04:LTS |
All versions, plus listed versions 5.15.17-25.15.17-35.15.18-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, published, references | NVD, OSV | |
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| aliases, published | EUVD | |
| first indexed | CVE List |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-114366 is a low vulnerability (CVSS 2.3) in Qt Framework, published November 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 32nd percentile. No source names a fixed version.