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Vulnerabilities

Vulnerable Software

Vulnerability Details 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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 3.7%

CVSS Severity

CVSS v3 Score 5.9

References

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

Products affected by CVE-2026-33467

Elastic » Elastic Package Registry » Version: 0.1.0

cpe:2.3:a:elastic:elastic_package_registry:0.1.0
Elastic » Elastic Package Registry » Version: 0.10.0

cpe:2.3:a:elastic:elastic_package_registry:0.10.0
Elastic » Elastic Package Registry » Version: 0.11.0

cpe:2.3:a:elastic:elastic_package_registry:0.11.0
Elastic » Elastic Package Registry » Version: 0.12.0

cpe:2.3:a:elastic:elastic_package_registry:0.12.0
Elastic » Elastic Package Registry » Version: 0.12.1

cpe:2.3:a:elastic:elastic_package_registry:0.12.1
Elastic » Elastic Package Registry » Version: 0.13.0

cpe:2.3:a:elastic:elastic_package_registry:0.13.0
Elastic » Elastic Package Registry » Version: 0.14.0

cpe:2.3:a:elastic:elastic_package_registry:0.14.0
Elastic » Elastic Package Registry » Version: 0.15.0

cpe:2.3:a:elastic:elastic_package_registry:0.15.0
Elastic » Elastic Package Registry » Version: 0.16.0

cpe:2.3:a:elastic:elastic_package_registry:0.16.0
Elastic » Elastic Package Registry » Version: 0.17.0

cpe:2.3:a:elastic:elastic_package_registry:0.17.0
Elastic » Elastic Package Registry » Version: 0.18.0

cpe:2.3:a:elastic:elastic_package_registry:0.18.0
Elastic » Elastic Package Registry » Version: 0.19.0

cpe:2.3:a:elastic:elastic_package_registry:0.19.0
Elastic » Elastic Package Registry » Version: 0.2.0

cpe:2.3:a:elastic:elastic_package_registry:0.2.0
Elastic » Elastic Package Registry » Version: 0.20.0

cpe:2.3:a:elastic:elastic_package_registry:0.20.0
Elastic » Elastic Package Registry » Version: 0.21.0

cpe:2.3:a:elastic:elastic_package_registry:0.21.0
Elastic » Elastic Package Registry » Version: 0.4.0

cpe:2.3:a:elastic:elastic_package_registry:0.4.0
Elastic » Elastic Package Registry » Version: 0.6.0

cpe:2.3:a:elastic:elastic_package_registry:0.6.0
Elastic » Elastic Package Registry » Version: 0.7.0

cpe:2.3:a:elastic:elastic_package_registry:0.7.0
Elastic » Elastic Package Registry » Version: 0.7.1

cpe:2.3:a:elastic:elastic_package_registry:0.7.1
Elastic » Elastic Package Registry » Version: 0.8.0

cpe:2.3:a:elastic:elastic_package_registry:0.8.0
Elastic » Elastic Package Registry » Version: 0.9.0

cpe:2.3:a:elastic:elastic_package_registry:0.9.0
Elastic » Elastic Package Registry » Version: 1.0.0

cpe:2.3:a:elastic:elastic_package_registry:1.0.0
Elastic » Elastic Package Registry » Version: 1.1.0

cpe:2.3:a:elastic:elastic_package_registry:1.1.0
Elastic » Elastic Package Registry » Version: 1.10.0

cpe:2.3:a:elastic:elastic_package_registry:1.10.0
Elastic » Elastic Package Registry » Version: 1.11.0

cpe:2.3:a:elastic:elastic_package_registry:1.11.0
Elastic » Elastic Package Registry » Version: 1.12.0

cpe:2.3:a:elastic:elastic_package_registry:1.12.0
Elastic » Elastic Package Registry » Version: 1.12.1

cpe:2.3:a:elastic:elastic_package_registry:1.12.1
Elastic » Elastic Package Registry » Version: 1.13.0

cpe:2.3:a:elastic:elastic_package_registry:1.13.0
Elastic » Elastic Package Registry » Version: 1.14.0

cpe:2.3:a:elastic:elastic_package_registry:1.14.0
Elastic » Elastic Package Registry » Version: 1.15.0

cpe:2.3:a:elastic:elastic_package_registry:1.15.0
Elastic » Elastic Package Registry » Version: 1.16.0

cpe:2.3:a:elastic:elastic_package_registry:1.16.0
Elastic » Elastic Package Registry » Version: 1.16.1

cpe:2.3:a:elastic:elastic_package_registry:1.16.1
Elastic » Elastic Package Registry » Version: 1.16.2

cpe:2.3:a:elastic:elastic_package_registry:1.16.2
Elastic » Elastic Package Registry » Version: 1.16.3

cpe:2.3:a:elastic:elastic_package_registry:1.16.3
Elastic » Elastic Package Registry » Version: 1.17.0

cpe:2.3:a:elastic:elastic_package_registry:1.17.0
Elastic » Elastic Package Registry » Version: 1.18.0

cpe:2.3:a:elastic:elastic_package_registry:1.18.0
Elastic » Elastic Package Registry » Version: 1.19.0

cpe:2.3:a:elastic:elastic_package_registry:1.19.0
Elastic » Elastic Package Registry » Version: 1.2.0

cpe:2.3:a:elastic:elastic_package_registry:1.2.0
Elastic » Elastic Package Registry » Version: 1.20.0

cpe:2.3:a:elastic:elastic_package_registry:1.20.0
Elastic » Elastic Package Registry » Version: 1.21.0

cpe:2.3:a:elastic:elastic_package_registry:1.21.0
Elastic » Elastic Package Registry » Version: 1.22.0

cpe:2.3:a:elastic:elastic_package_registry:1.22.0
Elastic » Elastic Package Registry » Version: 1.23.0

cpe:2.3:a:elastic:elastic_package_registry:1.23.0
Elastic » Elastic Package Registry » Version: 1.23.1

cpe:2.3:a:elastic:elastic_package_registry:1.23.1
Elastic » Elastic Package Registry » Version: 1.24.0

cpe:2.3:a:elastic:elastic_package_registry:1.24.0
Elastic » Elastic Package Registry » Version: 1.24.1

cpe:2.3:a:elastic:elastic_package_registry:1.24.1
Elastic » Elastic Package Registry » Version: 1.25.0

cpe:2.3:a:elastic:elastic_package_registry:1.25.0
Elastic » Elastic Package Registry » Version: 1.26.0

cpe:2.3:a:elastic:elastic_package_registry:1.26.0
Elastic » Elastic Package Registry » Version: 1.27.0

cpe:2.3:a:elastic:elastic_package_registry:1.27.0
Elastic » Elastic Package Registry » Version: 1.28.0

cpe:2.3:a:elastic:elastic_package_registry:1.28.0
Elastic » Elastic Package Registry » Version: 1.29.0

cpe:2.3:a:elastic:elastic_package_registry:1.29.0
Elastic » Elastic Package Registry » Version: 1.3.0

cpe:2.3:a:elastic:elastic_package_registry:1.3.0
Elastic » Elastic Package Registry » Version: 1.30.0

cpe:2.3:a:elastic:elastic_package_registry:1.30.0
Elastic » Elastic Package Registry » Version: 1.30.1

cpe:2.3:a:elastic:elastic_package_registry:1.30.1
Elastic » Elastic Package Registry » Version: 1.31.0

cpe:2.3:a:elastic:elastic_package_registry:1.31.0
Elastic » Elastic Package Registry » Version: 1.31.1

cpe:2.3:a:elastic:elastic_package_registry:1.31.1
Elastic » Elastic Package Registry » Version: 1.32.0

cpe:2.3:a:elastic:elastic_package_registry:1.32.0
Elastic » Elastic Package Registry » Version: 1.32.1

cpe:2.3:a:elastic:elastic_package_registry:1.32.1
Elastic » Elastic Package Registry » Version: 1.33.0

cpe:2.3:a:elastic:elastic_package_registry:1.33.0
Elastic » Elastic Package Registry » Version: 1.34.0

cpe:2.3:a:elastic:elastic_package_registry:1.34.0
Elastic » Elastic Package Registry » Version: 1.35.0

cpe:2.3:a:elastic:elastic_package_registry:1.35.0
Elastic » Elastic Package Registry » Version: 1.36.0

cpe:2.3:a:elastic:elastic_package_registry:1.36.0
Elastic » Elastic Package Registry » Version: 1.37.0

cpe:2.3:a:elastic:elastic_package_registry:1.37.0
Elastic » Elastic Package Registry » Version: 1.4.0

cpe:2.3:a:elastic:elastic_package_registry:1.4.0
Elastic » Elastic Package Registry » Version: 1.4.1

cpe:2.3:a:elastic:elastic_package_registry:1.4.1
Elastic » Elastic Package Registry » Version: 1.5.0

cpe:2.3:a:elastic:elastic_package_registry:1.5.0
Elastic » Elastic Package Registry » Version: 1.5.1

cpe:2.3:a:elastic:elastic_package_registry:1.5.1
Elastic » Elastic Package Registry » Version: 1.6.0

cpe:2.3:a:elastic:elastic_package_registry:1.6.0
Elastic » Elastic Package Registry » Version: 1.7.0

cpe:2.3:a:elastic:elastic_package_registry:1.7.0
Elastic » Elastic Package Registry » Version: 1.8.0

cpe:2.3:a:elastic:elastic_package_registry:1.8.0
Elastic » Elastic Package Registry » Version: 1.9.0

cpe:2.3:a:elastic:elastic_package_registry:1.9.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-33467

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