CVE-2026-15378

Summary

A flaw was found in the guardrails-detectors component. This vulnerability allows a remote attacker to perform a blind Server-Side Request Forgery (SSRF) by submitting a specially crafted XML Schema Definition (XSD) string. This can lead to unauthorized access to sensitive information, including credentials from cloud metadata services, Kubernetes API, internal MinIO, and other internal network endpoints. Additionally, it enables local file reads of critical data such as service account tokens and pod secrets.

Affected Software

Weaknesses

• CWE-918: Server-Side Request Forgery (SSRF)

References

• https://access.redhat.com/security/cve/CVE-2026-15378
• https://bugzilla.redhat.com/show_bug.cgi?id=2498941

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