CVE-2026-33467

Improper Verification of Cryptographic Signature (CWE-347) in Elastic Package Registry could allow an attacker positioned to intercept network traffic, or to otherwise influence the contents served to a self-hosted registry, to substitute a tampered package without the integrity check failing closed.

CVSS v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://discuss.elastic.co/t/elastic-package-registry-1-38-0-security-update-esa-2026-27/386081	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:elastic:elastic_package_registry:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-28 22:16

Updated : 2026-07-24 23:10

NVD link : CVE-2026-33467

Mitre link : CVE-2026-33467

CVE.ORG link : CVE-2026-33467

JSON object : View

Products Affected

elastic

elastic_package_registry

CWE

CWE-347

Improper Verification of Cryptographic Signature

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