{"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": "2026-07-09T07:22:35.960Z"}, "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"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.2.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "CMC", "source": "cna", "vendor": "Nozomi Networks"}, "product": "cmc", "vendor": "nozomi_networks"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.2.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Guardian", "source": "cna", "vendor": "Nozomi Networks"}, "product": "guardian", "vendor": "nozomi_networks"}], "created": "2026-07-09T09:30:04.478932+00:00", "updated": "2026-07-09T09:30:04.478980+00:00", "vendors": ["nozomi_networks", "nozomi_networks$PRODUCT$cmc", "nozomi_networks$PRODUCT$guardian"]}