CVE-2026-42018

HighPublished

Anonymous user token generation exposure in JFrog Artifactory

Published: Aug 12, 2026
Updated: Oct 1, 2026
Assigning CNA: JFROG
Evidence observed: Sep 11, 2026

Primary CVSS

7.5/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

9.8%

Low · next 30 days

Percentile: 95.5%
Model date: Oct 13, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

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

Sources

Repository evidence: Files: 1 · Repositories: 1

1 Template

JFrog Artifactory - Anonymous Token Disclosure via Trailing Slash Auth BypassTemplate
http/cves/2026/CVE-2026-42018.yaml
Nuclei Templates
DetectionEvidence observed: Sep 26, 2026Revision: 3de629d823bbRelated tool
Declared conditions
- network: http($.protocol_keys)
- verification: dsl($.matchers[*].type)

JFrog_CVE-2026-65615-ByGLMExploit
JFrog Artifactory Pre-Auth Full-Chain RCE Reproduction Project (CVE-2026-42018 / CVE-2026-65616 / CVE-2026-65615): Complete attack chain report, 7.146.7 Docker reproduction deliverables (EXP / deployment / baseline verification / payload samples / recovery tools)

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