CVE-2026-65922: JFrog Artifactory Auth Bypass Vulnerability

CVE-2026-65922 Overview

CVE-2026-65922 is a missing authorization weakness [CWE-862] in JFrog Artifactory internal metadata handling. A user holding limited repository access can write to restricted internal metadata areas under specific conditions. The flaw affects integrity and availability at a low level. Confidentiality is not impacted.

The vulnerability is exploitable over the network and requires low-privilege authentication with no user interaction. JFrog tracks the issue through its security advisory program and addresses affected versions in Artifactory self-managed releases.

Critical Impact
An authenticated user with limited repository permissions can modify restricted internal metadata, causing tampering or minor service disruption within the Artifactory instance.

Affected Products

JFrog Artifactory (self-managed) — versions prior to the fixed release listed in JFrog's advisory
JFrog Artifactory Cloud instances tracked under the same advisory
Deployments where repository users are granted write scopes to package repositories

Discovery Timeline

2026-07-27 - CVE-2026-65922 published to the National Vulnerability Database (NVD)
2026-07-30 - Last updated in NVD database

Technical Details for CVE-2026-65922

Vulnerability Analysis

The vulnerability resides in the authorization checks that govern access to Artifactory's internal metadata surfaces. Artifactory maintains internal metadata to describe repository layout, package indices, and system-managed artifacts. These structures are intended to be modified only by administrators or trusted server-side processes.

The missing authorization check allows a caller with limited repository access to reach these internal metadata write paths under specific conditions. The result is that a low-privileged account can influence metadata state outside the boundary of the repositories it has been granted.

Because the impact vector produces low-level integrity and availability effects, an attacker cannot read protected artifact contents through this weakness. They can, however, corrupt internal metadata, which may lead to inconsistent package indices, broken client tooling behavior, or partial service disruption. The vulnerability is classified under [CWE-862] Missing Authorization.

Root Cause

The root cause is an insufficient authorization enforcement layer on the code path that writes to internal metadata. The affected handlers verify that the caller is authenticated and holds some repository permission, but they do not verify that the caller is authorized to modify the specific internal metadata target being written.

Attack Vector

Exploitation is network-based and requires an authenticated Artifactory account with at least limited repository access. The attacker crafts a request against the affected internal metadata write path. When the specific preconditions are met, the write succeeds despite the user lacking administrative scope. No social engineering or additional user interaction is required.

The vulnerability manifests through the metadata write handlers exposed by Artifactory's REST surface. Refer to the JFrog Security Advisory Documentation for the specific endpoints and preconditions.

Detection Methods for CVE-2026-65922

Indicators of Compromise

Unexpected modification timestamps on internal metadata files within repository storage that do not correlate with administrator activity or scheduled indexing jobs.
Authenticated API calls from non-administrative principals targeting metadata endpoints outside their granted repository scope.
Package clients reporting checksum mismatches, index inconsistencies, or resolution failures without a corresponding administrative change.

Detection Strategies

Review Artifactory request logs for write operations against internal metadata paths executed by users whose permission targets exclude those repositories.
Correlate audit events for metadata changes against the identity's assigned permission targets to surface out-of-scope writes.
Baseline the volume and identity of metadata write operations, then alert on deviations from the baseline.

Monitoring Recommendations

Forward Artifactory request.log and access.log to a centralized log platform for query and retention.
Enable audit logging for permission target changes and internal metadata modifications.
Alert on writes to system-managed metadata performed by any identity that is not a member of the administrator group.

How to Mitigate CVE-2026-65922

Immediate Actions Required

Upgrade JFrog Artifactory to the fixed release listed in the JFrog security advisory that references CVE-2026-65922.
Audit all non-administrative accounts and remove repository permissions that are broader than required for the user's role.
Rotate API keys and access tokens for any account that was granted write-level repository access during the exposure window.
Review recent metadata changes for signs of tampering and restore affected repositories from backups if inconsistencies are found.

Patch Information

JFrog publishes fixed versions and remediation guidance through the JFrog Security Advisory Documentation. Consult the JFrog Artifactory Release Notes to identify the specific self-managed release containing the fix and to plan the upgrade path from the currently deployed version.

Workarounds

Restrict Artifactory API access to trusted network segments using a reverse proxy or firewall until the patch is applied.
Reduce the scope of low-privilege accounts so that no non-administrative identity holds write permissions on repositories that back production package indices.
Disable or expire unused user accounts and access tokens to shrink the pool of identities that could reach the affected code path.

bash

# Configuration example: list users and their permission targets for audit
curl -u admin:$ARTIFACTORY_TOKEN \
  -X GET "https://artifactory.example.com/artifactory/api/security/permissions" \
  -H "Content-Type: application/json"

# Retrieve details for a specific permission target to verify scope
curl -u admin:$ARTIFACTORY_TOKEN \
  -X GET "https://artifactory.example.com/artifactory/api/security/permissions/<permission-target-name>"