home / blog

2026-11-08 · high

CVE-2026-42018: Anonymous Token Exposed in JFrog Artifactory

Artifactory exposes anonymous token to unauthenticated users when anonymous access disabled. CVSS 7.5 HIGH.

CVE-2026-42018: Anonymous Token Exposed in JFrog Artifactory

JFrog Artifactory is a widely-used repository manager in enterprise environments. Vulnerability CVE-2026-42018 allows unauthenticated users to obtain internal anonymous tokens even when anonymous access has been explicitly disabled by security policy. These tokens may enable access to sensitive resources such as artifacts, configurations, or metadata. The impact is significant for organizations relying on Artifactory to manage critical artifacts.

The CVSS score is 7.5, rated HIGH. The vulnerability was registered on NVD on August 12, 2026. A critical indicator is the appearance of a public PoC on GitHub on November 7, 2026: this signals the transition from research phase to possible active exploitation. Urgency increases significantly for organizations that have not yet applied mitigations.

IT teams and CISOs must: immediately verify which version of Artifactory is in production, consult JFrog official advisory for affected versions and patch availability, apply the fix as soon as available, review access logs to detect exploitation attempts. Do not download PoCs from public repositories; focus resources on patching and detection.

At a glance

What
JFrog Artifactory could return an internal anonymous-user token to unauthenticated callers when anonymous access is disabled, exposing sensitive resources. CVE-2026-42018.
Severity
CVSS 7.5, rated HIGH. Unauthorized access to resources through exposed internal tokens.
Affected versions
Not reported in provided NVD data.
Fix
Not reported in provided NVD data. Consult JFrog official advisory.
Status
NVD published 2026-08-12. Public PoC signal confirmed on GitHub 2026-11-07.
Action
Verify Artifactory version in production, consult JFrog advisory, apply patch when available, review access logs for exploitation attempts.

Sources: NVD, CVE-2026-42018

← All articles