CVE-2026-33467
Elastic Package Registry has Improper Verification of Cryptographic Signature
5.9
MEDIUM
CVSS 3.1
EPSS 0.02%
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.
How to fix CVE-2026-33467
To remediate CVE-2026-33467, upgrade the affected package to a fixed version below.
- —upgrade to 1.38.0 or later
Is CVE-2026-33467 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.38.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |