CVE-2026-65618 in Artifactory
Summary
by MITRE • 07/27/2026
Improper URL validation when handling specific URLs, allows an attacker, under certain conditions, to make unauthorized requests from JFrog Artifactory, potentially exposing internal services and cached response data.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 07/27/2026
This vulnerability represents a critical security flaw in JFrog Artifactory's URL handling mechanism that enables unauthorized access to internal network resources through improper validation of specific URL patterns. The issue stems from insufficient input sanitization and validation processes that fail to properly examine or restrict the URLs processed by the system, creating an attack vector where malicious actors can manipulate requests to access services otherwise protected by network segmentation. When Artifactory receives requests containing specially crafted URLs, it does not adequately validate the destination endpoints, allowing attackers to potentially traverse internal networks and access cached response data that should remain restricted.
The technical implementation of this vulnerability aligns with CWE-20, which describes improper input validation in software systems. This weakness specifically manifests when applications fail to properly validate URL structures before processing them, leading to potential path traversal or service exposure scenarios. Attackers can exploit this by crafting malicious URLs that bypass normal access controls and leverage Artifactory's internal proxy mechanisms to make unauthorized requests to internal services. The flaw operates at the application layer where URL parsing occurs, potentially enabling attackers to access internal APIs, databases, or other networked resources that are typically isolated from external access.
The operational impact of this vulnerability extends beyond simple data exposure to encompass potential system compromise and information disclosure. When successful, attackers can gain access to cached response data that may contain sensitive information, including credentials stored in cache, internal service endpoints, or business-critical data that has been previously accessed through Artifactory. This creates a persistent threat vector where compromised cache data can be repeatedly accessed without additional authentication, effectively providing attackers with extended access windows to internal resources. The vulnerability particularly affects environments where Artifactory serves as an internal proxy or gateway, making it a prime target for lateral movement within corporate networks.
Organizations should implement immediate mitigations including enhanced URL validation controls that enforce strict pattern matching and destination endpoint restrictions. Network segmentation measures should be reinforced with proper firewall rules that limit outbound connections from Artifactory instances to known safe destinations. Regular security assessments should verify that all URL handling components properly validate input parameters and reject malformed or suspicious URL patterns. According to ATT&CK framework technique T1071.004, this vulnerability enables command and control communications through application layer protocols, making it critical to monitor for unusual outbound network requests from Artifactory instances. The recommended approach includes implementing Web Application Firewall rules that specifically target URL validation anomalies and establishing automated monitoring for unauthorized internal service access attempts through the Artifactory proxy mechanism.