๐Ÿ” CVE Alert

CVE-2026-33467

MEDIUM 5.9

Improper Verification of Cryptographic Signature in Elastic Package Registry Leading to Package Integrity Bypass

CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-347
Vendor elastic
Product elastic package registry
Published Apr 28, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Affected Versions

Elastic / Elastic Package Registry
0.1.0 โ‰ค 1.37.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
discuss.elastic.co: https://discuss.elastic.co/t/elastic-package-registry-1-38-0-security-update-esa-2026-27/386081