CVE-2026-33467CWE-347
Improper Verification of Cryptographic Signature in Elastic Package Registry Leading to Package Integrity Bypass
Medium · published April 28, 2026
What it is
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.
The record
Technical detail
- CVSS v3.1
- 5.9 · MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS v4.0
- Not supplied
- EPSS
- 0.00211 · 10.8th percentile
- Weakness
- CWE-347 · Improper Verification of Cryptographic Signature
- Published
- 2026-04-28T21:15Z
EPSS history
Timeline