CVE-2026-34040: exploitation status and patch state

CVE-2026-34040 · CVSS 8.8 HIGH · EPSS 10%

Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows attackers to bypass authorization plugins (AuthZ). This issue has been patched in version 29.3.1.

Is CVE-2026-34040 exploited?

• Not in the CISA KEV catalog.
• EPSS puts exploitation in the next 30 days at 10%.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2026-34040

• Docker AuthZ Bypass Reopens Host Compromise Risk (2026-04-11)

Primary sources

• NVD record

What this record does not say

• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.