CVE-2026-31982

An Open Redirect vulnerability was discovered in the SAML Single Sign-On functionality due to insufficient validation of a user-controlled redirection parameter. An unauthenticated attacker can craft a request to the SAML sign-in endpoint and poison the cached SAML redirection for other users who subsequently initiate SAML Single Sign-On, enabling phishing and credential-theft attacks, as well as disrupting SAML authentication for all affected users.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

References

Link	Resource
https://security.nozominetworks.com/NN-2026:9-01	Mitigation Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-827968.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nozominetworks:cmc::::::::
	cpe:2.3:a:nozominetworks:guardian::::::::

History

No history.

Information

Published : 2026-07-09 08:16

Updated : 2026-08-11 13:18

NVD link : CVE-2026-31982

Mitre link : CVE-2026-31982

CVE.ORG link : CVE-2026-31982

JSON object : View

Products Affected

nozominetworks

cmc
guardian

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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