{"id":2538,"date":"2026-04-16T12:05:12","date_gmt":"2026-04-16T12:05:12","guid":{"rendered":"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/16\/cisco-patches-four-critical-identity-services-webex-flaws-enabling-code-execution\/"},"modified":"2026-04-16T12:05:12","modified_gmt":"2026-04-16T12:05:12","slug":"cisco-patches-four-critical-identity-services-webex-flaws-enabling-code-execution","status":"publish","type":"post","link":"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/16\/cisco-patches-four-critical-identity-services-webex-flaws-enabling-code-execution\/","title":{"rendered":"Cisco Patches Four Critical Identity Services, Webex Flaws Enabling Code Execution"},"content":{"rendered":"<div>Cisco has announced patches to address four critical security flaws impacting Identity Services and Webex Services that could result in arbitrary code execution and allow an attacker to impersonate any user within the\u00a0service.<br \/>\nThe details of the vulnerabilities are below\u00a0&#8211;<\/p>\n<p>CVE-2026-20184 (CVSS score: 9.8) &#8211; An improper certificate validation in the integration of single sign-on (SSO)<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cisco has announced patches to address four critical security flaws impacting Identity Services and Webex Services that could result in arbitrary code execution and allow an attacker to impersonate any user within the\u00a0service. The details of the vulnerabilities are below\u00a0&#8211; CVE-2026-20184 (CVSS score: 9.8) &#8211; An improper certificate validation in the integration of single sign-on [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-container-style":"default","site-container-layout":"default","site-sidebar-layout":"default","disable-article-header":"default","disable-site-header":"default","disable-site-footer":"default","disable-content-area-spacing":"default","footnotes":""},"categories":[90],"tags":[91],"class_list":["post-2538","post","type-post","status-publish","format-standard","hentry","category-cybersecurity","tag-cybersecurity"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cisco Patches Four Critical Identity Services, Webex Flaws Enabling Code Execution - Imperative Business Ventures Limited<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/16\/cisco-patches-four-critical-identity-services-webex-flaws-enabling-code-execution\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cisco Patches Four Critical Identity Services, Webex Flaws Enabling Code Execution - Imperative Business Ventures Limited\" \/>\n<meta property=\"og:description\" content=\"Cisco has announced patches to address four critical security flaws impacting Identity Services and Webex Services that could result in arbitrary code execution and allow an attacker to impersonate any user within the\u00a0service. The details of the vulnerabilities are below\u00a0&#8211; CVE-2026-20184 (CVSS score: 9.8) &#8211; An improper certificate validation in the integration of single sign-on [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/16\/cisco-patches-four-critical-identity-services-webex-flaws-enabling-code-execution\/\" \/>\n<meta property=\"og:site_name\" content=\"Imperative Business Ventures Limited\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-16T12:05:12+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/16\/cisco-patches-four-critical-identity-services-webex-flaws-enabling-code-execution\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/16\/cisco-patches-four-critical-identity-services-webex-flaws-enabling-code-execution\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/blog.ibvl.in\/#\/schema\/person\/55b87b72a56b1bbe9295fe5ef7a20b02\"},\"headline\":\"Cisco Patches Four Critical Identity Services, Webex Flaws Enabling Code Execution\",\"datePublished\":\"2026-04-16T12:05:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/16\/cisco-patches-four-critical-identity-services-webex-flaws-enabling-code-execution\/\"},\"wordCount\":69,\"keywords\":[\"Cybersecurity\"],\"articleSection\":[\"Cybersecurity\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/16\/cisco-patches-four-critical-identity-services-webex-flaws-enabling-code-execution\/\",\"url\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/16\/cisco-patches-four-critical-identity-services-webex-flaws-enabling-code-execution\/\",\"name\":\"Cisco Patches Four Critical Identity Services, Webex Flaws Enabling Code Execution - 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