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VulnerabilityPublished

CVE-2026-114366: Information Disclosure Vulnerability

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Authoritative record:CVE-2026-114366· Low 2.3

Not known to be exploited · CVSS 2.3 Low · fixed in 6.12.1 : update Qt Framework when convenient.

Data as of 6 Nov 2026, 07:35 UTC

CVSS 4.0 base score
2.3Low
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (Qt)CVSS 4.02.3
Patch
Available – fixed in 6.12.1, 6.11.3, 6.8.10
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 5 Nov 2026.

What to do

Upgrade Qt Framework and org.qtproject/qtwebsockets to 6.12.1, 6.11.3 or 6.8.10.

Affected software

ProductAffectedFixed in
qtQt FrameworkAffected
  • >=6.12.0 <6.12.1
Fixed in
  • 6.12.1
qtQt FrameworkAffected
  • >=6.9.0 <6.11.3
Fixed in
  • 6.11.3
qtQt FrameworkAffected
  • >=6.6.0 <6.8.10
Fixed in
  • 6.8.10
Mavenorg.qtproject/qtwebsocketspkg:maven/org.qtproject/qtwebsocketsOther threatsAffected
  • >=6.6.0 <6.8.10
  • >=6.9.0 <6.11.3
  • >=6.12.0 <6.12.1
Fixed in
  • 6.8.10
  • 6.11.3
  • 6.12.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

CVE-2026-114366 is an information disclosure vulnerability in the Qt Framework's QWebSocket authentication handling within the Qt WebSockets module. The flaw could potentially allow unauthorized information exposure during authentication processes. The vulnerability has a medium severity rating with a CVSS score of 6.

References

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