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9.8
containerd may let malicious code run on host
published 1 month ago
Summary
The open‑source container runtime called containerd has a security weakness that could allow a bad actor to execute code on the underlying server instead of being confined to a container. This puts any system using containerd at risk of unauthorized access or data loss. Update to the latest version of the cleanstart/containerd package as soon as it is released, or apply any recommended patches from the vendor.
What to do
- Update cleanstart containerd to version 1.5.9-r0.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | containerd |
< 1.5.9-r0 Fix: upgrade to 1.5.9-r0
|
Original advisory text
containerd is an open source container runtime
Security vulnerability affects the containerd package. containerd is an open source container runtime.
Internet-facing
3 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker full control (estimated)
Timeline
Published30 Sep 2026
Updated1 Oct 2026
First seen1 Oct 2026
Sources
CLEANSTART-2025-GQ42610 · OSV
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