CVE-2026-33467 — Improper Verification of Cryptographic Signature in Elastic Package Registry Leading to Package Integrity Bypass

CVE-2026-33467

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

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Elastic / Elastic Package Registry	affected 0.1.0 through 1.37.0

CWE

CWE-347

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.