CVE-2026-33997
Moby has an Off-by-one error in its plugin privilege validation in github.com/docker/docker
Description
Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows plugins privilege validation to be bypassed during docker plugin install. Due to an error in the daemon's privilege comparison logic, the daemon may incorrectly accept a privilege set that differs from the one approved by the user. Plugins that request exactly one privilege are also affected, because no comparison is performed at all. This issue has been patched in version 29.3.1.
How to fix CVE-2026-33997
To remediate CVE-2026-33997, upgrade the affected package to a fixed version below.
- —no fix listed
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- —upgrade to 2.0.0-beta.8 or later
- —upgrade to 2.0.0-beta.8 or later
Is CVE-2026-33997 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (7)
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- from 0, < 2.0.0-beta.8
- from 0, < 2.0.0-beta.8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N |