CVE-2026-34040

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/moby/moby/releases/tag/docker-v29.3.1	Release Notes
https://github.com/moby/moby/security/advisories/GHSA-x744-4wpc-v9h2	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mobyproject:moby:*:*:*:*:*:*:*:*

History

03 Apr 2026, 16:51

Type	Values Removed	Values Added
CPE		cpe:2.3:a:mobyproject:moby::::::::
References	~~() https://github.com/moby/moby/releases/tag/docker-v29.3.1 -~~	() https://github.com/moby/moby/releases/tag/docker-v29.3.1 - Release Notes
References	~~() https://github.com/moby/moby/security/advisories/GHSA-x744-4wpc-v9h2 -~~	() https://github.com/moby/moby/security/advisories/GHSA-x744-4wpc-v9h2 - Vendor Advisory
First Time		Mobyproject moby Mobyproject

01 Apr 2026, 14:24

Type	Values Removed	Values Added
Summary		(es) Moby es un framework de contenedores de código abierto. Antes de la versión 29.3.1, se ha detectado una vulnerabilidad de seguridad que permite a los atacantes eludir los plugins de autorización (AuthZ). Este problema ha sido parcheado en la versión 29.3.1.

31 Mar 2026, 03:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-31 03:15

Updated : 2026-04-03 16:51

NVD link : CVE-2026-34040

Mitre link : CVE-2026-34040

CVE.ORG link : CVE-2026-34040

JSON object : View

Products Affected

mobyproject

moby

CWE

CWE-288

Authentication Bypass Using an Alternate Path or Channel

{"id": "CVE-2026-34040", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.0}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2026-03-31T03:15:57.883", "references": [{"url": "https://github.com/moby/moby/releases/tag/docker-v29.3.1", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/moby/moby/security/advisories/GHSA-x744-4wpc-v9h2", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-288"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Moby es un framework de contenedores de c\u00f3digo abierto. Antes de la versi\u00f3n 29.3.1, se ha detectado una vulnerabilidad de seguridad que permite a los atacantes eludir los plugins de autorizaci\u00f3n (AuthZ). Este problema ha sido parcheado en la versi\u00f3n 29.3.1."}], "lastModified": "2026-04-03T16:51:28.670", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mobyproject:moby:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B2D4D20A-9812-42C7-AB9B-2B63DA90EB21", "versionEndExcluding": "29.3.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}