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MEDIUM · 5.9

CVE-2026-33467

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...

Vulnerability 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.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
ElasticElastic Package Registry< 1.38.0

Related Weaknesses (CWE)

CWE-347

References

FAQ

What is CVE-2026-33467?

CVE-2026-33467 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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...

How severe is CVE-2026-33467?

CVE-2026-33467 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-33467?

Check the references section above for vendor advisories and patch information. Affected products include: Elastic Elastic Package Registry.