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JFrog Artifactory's Improper Authentication Allows Network-Based Attackers to Bypass Login Controls and Gain Unauthorized Access to the Artifact Repository

Last refreshed2026-09-27

Status: KEV  |  Advisory ID: CVE-2026-42018

Key Details

CVECVE-2026-42018
Vulnerability NameJFrog Artifactory Improper Authentication Vulnerability
CVSS Score / Version7.5 (High) / CVSS v3.1
Updated2026-09-22
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Proseattack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is none; availability impact is none.
Affected productsJFrog Artifactory
Exploitation statusListed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified asCWE-287 (Improper Authentication)
KEV listingAdded to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-09-11.
Exploitation prediction (EPSS)9.80% probability of exploitation in the next 30 days (95% percentile) -- FIRST.org's EPSS model.

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
JFrogArtifactory
SubsystemsGeneral OT
SectorsMultiple

What to Know

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.

What to Do

Monitor JFrog's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-42018
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-42018
Vendor advisoryhttps://docs.jfrog.com/releases/docs/jfrog-security-advisories

KEV Required Action

FieldValue
KEV Linkhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog
Date Added to KEV2026-09-11