{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31982","assignerOrgId":"bec8025f-a851-46e5-b3a3-058e6b0aa23c","state":"PUBLISHED","assignerShortName":"Nozomi","dateReserved":"2026-03-10T16:14:03.266Z","datePublished":"2026-07-09T07:22:35.960Z","dateUpdated":"2026-08-11T12:23:40.350Z"},"containers":{"cna":{"providerMetadata":{"orgId":"bec8025f-a851-46e5-b3a3-058e6b0aa23c","shortName":"Nozomi","dateUpdated":"2026-07-09T07:22:35.960Z"},"title":"Open Redirect in SAML Single Sign-On in Guardian/CMC before 26.2.0","datePublic":"2026-07-07T07:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-601","description":"CWE-601 URL redirection to untrusted site ('open redirect')","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-194","descriptions":[{"lang":"en","value":"CAPEC-194 Fake the Source of Data"}]}],"affected":[{"vendor":"Nozomi Networks","product":"Guardian","versions":[{"status":"affected","version":"0","lessThan":"26.2.0","versionType":"semver"}],"defaultStatus":"unaffected"},{"vendor":"Nozomi Networks","product":"CMC","versions":[{"status":"affected","version":"0","lessThan":"26.2.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:*","versionStartIncluding":"0","versionEndExcluding":"26.2.0"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:*","versionStartIncluding":"0","versionEndExcluding":"26.2.0"}]}]}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"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."}]}],"references":[{"url":"https://security.nozominetworks.com/NN-2026:9-01"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"LOW","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:L/SI:L/SA:L"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L"}}],"workarounds":[{"lang":"en","value":"Use internal firewall features to limit access to the web management interface.","supportingMedia":[{"type":"text/html","base64":false,"value":"Use internal firewall features to limit access to the web management interface.<br>"}]}],"solutions":[{"lang":"en","value":"Upgrade to v26.2.0 or later.","supportingMedia":[{"type":"text/html","base64":false,"value":"Upgrade to v26.2.0 or later.<br>"}]}],"credits":[{"lang":"en","value":"This issue was found by Andrea Palanca of Nozomi Networks Product Security team during an internal investigation.","type":"finder"}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T12:41:31.002741Z","id":"CVE-2026-31982","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-09T12:42:40.823Z"}},{"x_adpType":"supplier","providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-08-11T12:23:40.350Z"},"affected":[{"vendor":"Siemens","product":"RUGGEDCOM APE1808","versions":[{"status":"affected","version":"0","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-827968.html"}]}]}}