CVE-2026-33467

MEDIUM

5.9

Description

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.

CVE Details

CVSS v3.1 Score5.9

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published4/28/2026

Last Modified4/28/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-347

References

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

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.