# CVE-2019-10201

## Summary

- **CVE ID:** CVE-2019-10201
- **Severity:** HIGH
- **CVSS Score:** 8.1 (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)
- **CWE:** CWE-592
- **Published:** Aug 14, 2019
- **Last Modified:** Mar 14, 2026

## Description

It was found that Keycloak's SAML broker, versions up to 6.0.1, did not verify missing message signatures. If an attacker modifies the SAML Response and removes the <Signature> sections, the message is still accepted, and the message can be modified. An attacker could use this flaw to impersonate other users and gain access to sensitive information.

## Affected Products

- Red Hat  — keycloak (up to keycloak 6.0.1)
- Red Hat — keycloak (up to keycloak 6.0.1)

## References

- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.14%
- **EPSS Percentile:** 33.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._