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Low 2.1Published Oct 23, 2026
CVE-2026-95620Use-after-free vulnerability in QNetworkAccessManager HTTP/2 support impacts Qt
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A use-after-free vulnerability in the Qt QNetworkAccessManager HTTP/2 client support of the Qt Network module allows a malicious or compromised HTTP/2 server to cause the client application to crash, affecting availability.
- CVSS
- 2.1 LOW (v4.0, CNA)CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/RE:L/U:Green
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Qt
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 23, 2026
- First seen by InfoSec Signals
- Oct 23, 2026
Affected products
qt qt qt:qt (from the name) | before 6.9.0 status unknown; from 6.9.0 before 6.11.3 | CNA record |
References
- https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-95620:vendor-advisory
- https://codereview.qt-project.org/c/qt/qtbase/+/759717patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.