Is CVE-2026-33467 actively exploited?

No active exploitation of CVE-2026-33467 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-33467 be exploited remotely?

Yes. CVE-2026-33467 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-33467?

CVE-2026-33467 has a CVSS score of 5.9 (MEDIUM).

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MEDIUM

CVE-2026-33467

CWE-347Published: April 28, 2026· Updated: May 5, 2026

5.9

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:5.6th

Official 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.

NVD Source

Technical Analysis

CVE-2026-33467 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.9.