undici vulnerable to cookie attribute injection via unsanitized domain and unparsed setCookie fields
CVE-2026-16729
Summary
Mariner
Products covered
azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0
azl3 containerd2 2.3.4-1 on Azure Linux 3.0
azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0
azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0
azl3 moby-engine 25.0.3-20 on Azure Linux 3.0
Remediation
Release Notes
CVEs in this advisory 1
Update history
What changed in later vendor updates
SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.
- Severity changed from Medium to Low.
- Added affected products: azl3 containerd2 2.3.4-1 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 moby-engine 25.0.3-20 on Azure Linux 3.0.
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
- Confirmed at the source
Our collector saw this advisory during a later source check.