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CVE-2026-42018: JFrog Artifactory Improper Authentication Vulnerability

JFrog Artifactory · in CISA KEV since 2026-09-11

2026-09-11added to KEV

2026-09-25federal remediation due date

11.04%EPSS exploit probability (30 days) 95.7th percentile

7.5 HIGHCVSS 3.1

Unknownknown ransomware use

30days from NVD publication to KEV

What it is

JFrog Artifactory contains an improper authentication vulnerability that could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.

Required action (CISA)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CWE	CWE-287
CVSS vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`
NVD published	2026-08-12 (Analyzed)

Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-42018.json · all KEV CVEs

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