CVE-2026-34040

HIGH

Moby: AuthZ plugin bypass with oversized request body

Title source: cna
STIX 2.1

Description

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.

References (2)

Scores

CVSS v3 8.8
EPSS 0.0001
EPSS Percentile 0.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-288
Status published
Products (5)
docker/docker 0Go
moby/moby 0Go
moby/moby 0 - 2.0.0-beta.8Go
moby/moby < 29.3.1
mobyproject/moby < 29.3.1
Published Mar 31, 2026
Tracked Since Mar 31, 2026