CVE-2026-33467CWE-347

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

Medium · published April 28, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
10.8
In the wild
Unconfirmed
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
  • 28 APR 21:15Z
    Improper Verification of Cryptographic Signature in Elastic Package Registry Leading to Package Integrity Bypass
    cvelistv5