CVE-2026-15143 Guardrails-detectors: guardrails-detectors: ssrf and local file read via user-supplied xml schema (xml-with-schema:)
Remote attackers can trigger SSRF and local file reads via malicious XML schemas in guardrails-detectors, exposing sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15143?
CVE-2026-15143 is a critical server-side request forgery vulnerability in Red Hat OpenShift AI 2.25, published on 10 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-918
Which versions are affected by CVE-2026-15143?
How do I fix CVE-2026-15143?
No fix has been published for CVE-2026-15143 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-15143 being exploited?
There is no known exploitation of CVE-2026-15143 in the wild and no public exploit code.
Sources
Also known as GHSA-34cr-c6hf-4xgc.