CVE-2026-15143

CriticalCVSS 9.3/10Last modified Oct 25, 2026

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.

Metrics

CVSS 3.1 9.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Jul 10, 2026
Last modified
Oct 25, 2026
NVD status
Awaiting Analysis

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CVE-2026-15143: Critical severity, CVSS 9.3 | Vulnix