{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-101152", "assignerOrgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "state": "PUBLISHED", "assignerShortName": "Arista", "dateReserved": "2026-09-28T08:30:31.034Z", "datePublished": "2026-10-06T19:37:53.573Z", "dateUpdated": "2026-10-06T19:49:57.474Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "shortName": "Arista", "dateUpdated": "2026-10-06T19:37:53.573Z"}, "title": "Security Advisory 0187", "descriptions": [{"lang": "en", "value": "Insufficient validation in the Single Sign-On (SSO) login flow could allow a remote, unauthenticated attacker to craft a URL that, when clicked by a user, causes the identity provider (IdP) to deliver authentication material to an attacker-controlled URL instead of to CloudVision.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Insufficient validation in the Single Sign-On (SSO) login flow could allow a remote, unauthenticated attacker to craft a URL that, when clicked by a user, causes the identity provider (IdP) to deliver authentication material to an attacker-controlled URL instead of to CloudVision.</p>"}]}], "affected": [{"vendor": "Arista Networks", "product": "CloudVision Portal", "platforms": ["CloudVision Portal, virtual appliance or physical appliance"], "defaultStatus": "unaffected", "versions": [{"version": "2026.2.0", "status": "affected", "versionType": "custom"}, {"version": "2026.1.0", "lessThanOrEqual": "2026.1.2", "status": "affected", "versionType": "custom"}, {"version": "2025.3.0", "lessThanOrEqual": "2025.3.3", "status": "affected", "versionType": "custom"}, {"version": "2021.1.0", "lessThan": "2025.3.0", "status": "affected", "versionType": "custom"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N", "baseScore": 8, "baseSeverity": "HIGH"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "baseScore": 7.6, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-601", "lang": "en", "description": "CWE-601 URL Redirection to Untrusted Site ('Open Redirect')"}]}], "impacts": [{"capecId": "CAPEC-194", "descriptions": [{"lang": "en", "value": "CAPEC-194 Fake the Source of Data"}]}], "configurations": [{"lang": "en", "value": "In order to be vulnerable to CVE-2026-101152, SSO must be configured with an external identity provider. Deployments using only non-SSO authentication are not affected. To check if SSO is configured, navigate to Settings \u2192 Authentication in the CloudVision UI. If an OIDC or SAML provider is configured, the deployment is potentially affected.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>In order to be vulnerable to CVE-2026-101152, SSO must be configured with an external identity provider. Deployments using only non-SSO authentication are not affected. To check if SSO is configured, navigate to <strong>Settings \u2192 Authentication</strong> in the CloudVision UI. If an OIDC or SAML provider is configured, the deployment is potentially affected.</p>"}]}], "workarounds": [{"lang": "en", "value": "No mitigation exists for this issue.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>No mitigation exists for this issue.</p>"}]}], "solutions": [{"lang": "en", "value": "CVE-2026-101152 has been fixed in the following releases:\n- 2026.2.1 and later releases in the 2026.2.x train\n- 2026.1.3 and later releases in the 2026.1.x train\n- 2025.3.4 and later releases in the 2025.3.x train", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>CVE-2026-101152 has been fixed in the following releases:</p><ul><li>2026.2.1 and later releases in the 2026.2.x train</li><li>2026.1.3 and later releases in the 2026.1.x train</li><li>2025.3.4 and later releases in the 2025.3.x train</li></ul>"}]}], "references": [{"url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24803-security-advisory-0187", "tags": ["vendor-advisory"]}], "source": {"advisory": "Security Advisory 0187", "discovery": "INTERNAL", "defects": ["BUG 1864515"]}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-06T19:49:47.242959Z", "id": "CVE-2026-101152", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-06T19:49:57.474Z"}}]}}

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{}

{"created": "2026-10-06T20:30:05.838020+00:00", "title": "Remote Credential Theft via Unvalidated SSO Redirect in Arista CloudVision", "updated": "2026-10-06T20:30:05.838027+00:00", "vendors": []}