SEPTEMBER 15, 2026
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Case File

CVE-2026-73191

MEDIUM · CVSS 6.1

Source: NVD + CISA KEV + EPSS · Published 2026-09-14 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

Apache Syncope versions 3.0.0-M0 to 3.0.16, 4.0.0-M0 to 4.0.7, and 4.1.0-M0 to 4.1.2 are vulnerable to an open redirect flaw due to improper handling of client-supplied HTTP headers when configured for CAS authentication. This vulnerability could allow attackers to redirect users to untrusted sites, potentially leading to phishing attacks or other malicious activities. Organizations using affected versions should prioritize upgrading to versions 4.0.8 or 4.1.3 to mitigate this risk.

CVE
CVE-2026-73191
Severity
MEDIUM
CVSS
6.1
EPSS
N/A
Apache

Original NVD Description

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Apache Syncope. When the Syncope SRA is configured for CAS authentication, the target Apereo CAS instance's URL is calculated by unconditionally looking at client-supplied forwarded HTTP headers. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2. Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.