Security Advisory
CVE-2026-15143
9.3
CRITICAL
Vulnerability Description
A flaw was found in the file_type content detector of guardrails-detectors. This vulnerability allows a remote attacker to supply an arbitrary XML Schema Definition (XSD) string, which is processed without proper restrictions. This can lead to server-side requests to arbitrary URLs or local file reads, potentially resulting in sensitive information disclosure, such as cloud provider credentials or access to internal network services.
Published Date
July 10, 2026
Official Source
NIST NVD Advisory