--- title: Cisco Webex SSO flaw needs manual certificate update to fix description: A critical vulnerability (CVE-2026-20184, CVSS 9.8) in Cisco Webex's SSO integration requires admins to manually upload a new identity provider SAML... canonical: https://daily.dev/posts/cisco-webex-sso-flaw-needs-manual-certificate-update-to-fix-x7amioqat twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Cisco Webex SSO flaw needs manual certificate update to fix | daily.dev og:description: A critical vulnerability (CVE-2026-20184, CVSS 9.8) in Cisco Webex's SSO integration requires admins to manually upload a new identity provider SAML... og:url: https://daily.dev/posts/cisco-webex-sso-flaw-needs-manual-certificate-update-to-fix-x7amioqat og:image: https://api.daily.dev/og/posts/X7amIoQat.png og:image:alt: Cisco Webex SSO flaw needs manual certificate update to fix og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Cisco Webex SSO flaw needs manual certificate update to fix **[CSO Online](https://daily.dev/sources/csoonline)** · 4 min read · 0 upvotes · 0 comments ## Summary A critical vulnerability (CVE-2026-20184, CVSS 9.8) in Cisco Webex's SSO integration requires admins to manually upload a new identity provider SAML certificate in Webex Control Hub. While Cisco has already patched the cloud-side service, failure to complete this manual step leaves systems exposed to unauthenticated remote attackers who could impersonate any user. Additionally, Cisco issued patches for multiple critical vulnerabilities in Cisco Identity Services Engine (ISE), including CVEs with CVSS scores of 9.9 that allow remote code execution and path traversal attacks. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#security](https://daily.dev/tags/security), [#cloud](https://daily.dev/tags/cloud) [View this post on daily.dev](https://daily.dev/posts/cisco-webex-sso-flaw-needs-manual-certificate-update-to-fix-x7amioqat) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Cisco Webex SSO flaw needs manual certificate update to fix","url":"https://daily.dev/posts/cisco-webex-sso-flaw-needs-manual-certificate-update-to-fix-x7amioqat","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/cisco-webex-sso-flaw-needs-manual-certificate-update-to-fix-x7amioqat"},"datePublished":"2026-04-20T13:19:46.941Z","dateModified":"2026-04-20T13:27:16.114Z","description":"A critical vulnerability (CVE-2026-20184, CVSS 9.8) in Cisco Webex's SSO integration requires admins to manually upload a new identity provider SAML...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/80050ca9a7ee1e6c7a19ff58121ebcb2?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/80050ca9a7ee1e6c7a19ff58121ebcb2?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"CSO Online","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"CSO Online","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/98667e4b5cac46cf9c470819c6cf71cd","url":"https://daily.dev/sources/csoonline"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/cisco-webex-sso-flaw-needs-manual-certificate-update-to-fix-x7amioqat","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"security,cloud","timeRequired":"PT4M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"CSO Online","item":"https://daily.dev/sources/csoonline"},{"@type":"ListItem","position":3,"name":"Cisco Webex SSO flaw needs manual certificate update to fix"}]} ```