CVE-2026-42018

HIGHCVSS 7.5Known Exploited

CISA Known Exploited Vulnerability

https://docs.jfrog.com/releases/docs/jfrog-security-advisories ; https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-42018

Remediation deadline: September 25, 2026

Description

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.

Timeline

Published:August 12th, 2026 6:17 PM

Last modified:September 12th, 2026 4:16 AM

Added to KEV:September 11th, 2026

CVSS Scoring

CVSS v3: 7.5 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Software

From NVD CPE configuration data

Vendors

jfrog

Products

artifactory

Weaknesses (CWE)

CWE-287

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute