Open Redirect in Nozomi Networks Cmc
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.
Vulnerability class: Open Redirect
EPSS: 0.002 (7.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.
Affected products
- Nozomi Networks Cmc — versions 0
- Nozomi Networks Guardian — versions 0
- Nozominetworks Cmc
- Nozominetworks Guardian
Weakness classification (CWE)
References
- prodsec@nozominetworks.com (Mitigation, Vendor Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2026-31982?
- CVE-2026-31982 is a high-severity vulnerability in Nozomi Networks Cmc, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 7.1/10. Published 2026-07-09.
- How severe is CVE-2026-31982?
- High severity. CVSS v3 base score is 7.1 out of 10.