Distribution advisory
This page covers CVE-2026-43701 as tracked by Ubuntu, for the package qtwebkit-opensource-src. No fixed version has been recorded for this distribution yet.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability low.
CVSS metrics in full
The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- Attack vector: Network — reachable from anywhere that can route to the service.
- Attack complexity: Low — the attack works reliably, with no preparation.
- Privileges required: None — an unauthenticated stranger can try it.
- User interaction: Required — someone has to click, open or visit something.
- Scope: Changed — a successful attack reaches components beyond the vulnerable one.
- Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
- Integrity impact: Low — limited, and the attacker does not choose what is affected.
- Availability impact: Low — limited, and the attacker does not choose what is affected.
Weakness class
UBUNTU-CVE-2026-43701 is classified as CWE-284: Improper Access Control. The software does not restrict an action to the actors that should be allowed to perform it.
Affected software
UBUNTU-CVE-2026-43701 is recorded against 5 packages.
- qtwebkit-opensource-src
- qtwebkit-source
- webkit2gtk
- webkitgtk
- wpewebkit
Timeline and source
Published on 29 June 2026 and last revised on 19 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
ubuntu.com (Report)
www.cve.org (Report)
webkitgtk.org (Report)
Other advisories for this package
qtwebkit-opensource-src has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-284: Improper Access Control) in other software:
