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CVE-2026-31982 (GCVE-0-2026-31982)

Vulnerability from cvelistv5 – Published: 2026-07-09 07:22 – Updated: 2026-08-11 12:23
VLAI
Title
Open Redirect in SAML Single Sign-On in Guardian/CMC before 26.2.0
Summary
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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:41 UTC
CWE
  • CWE-601 - URL redirection to untrusted site ('open redirect')
Impacted products
Vendor Product Version CPE status
Nozomi Networks Guardian Affected: 0 , < 26.2.0 (semver)
    cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:*
Create a notification for this product.
Nozomi Networks CMC Affected: 0 , < 26.2.0 (semver)
    cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:*
Create a notification for this product.
Siemens RUGGEDCOM APE1808 Affected: 0 , < * (custom)
guessed Create a notification for this product.
Date Public
2026-07-07 07:00
Show details on NVD website

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