CVE-2026-114369: Qt Framework · Inefficient Algorithmic Complexity
Affects Qt FrameworkSource CVE Database V5
Not known to be exploited · CVSS 2.7 Low.
Data as of 12 Nov 2026, 11:43 UTC
Thin evidence
One scorer or none| CNA (Qt) | CVSS 4.0 | 2.7 |
|---|
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/R:A/RE:L/U:ClearExploitation evidence
Disclosed: evidence found.
CVE published 12 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 12 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| qtQt Framework | Affected
| Fixed in– |
Mavenorg.qtproject/qtpkg:maven/org.qtproject/qtOther threats | Affected
| Fixed in– |
CPE configurations (2)
cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*cpe:2.3:a:qt:qtwebsockets:*:*:*:*:*:*:*:*
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should monitor the Qt vendor advisories for updates regarding fixes. Until a patch is released, consider limiting exposure of affected services to untrusted networks or applying rate limiting to mitigate potential resource exhaustion.
Description
CVE-2026-114369 is a resource exhaustion vulnerability in the Qt Framework affecting the QWebSocket and QWebSocketServer classes within the Qt WebSockets module. It involves inefficient algorithmic complexity that could be exploited to degrade service availability. The vulnerability affects Qt Framework versions from 5.15.0 through 6.8.9 and 6.9.0 through 6.12.0. The CVSS 4.0 base score is 2.7, indicating a low severity issue. No public exploits or known active exploitation have been reported. No patch or remediation information is currently provided.