[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fbybwox1Oi9fz7bzt9--XbMMOcjnhvGvbc9LcqUOBwSY":3,"g5a-risk:CVE-2026-76504":142},{"success":4,"data":5,"meta":139},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":33,"epssPercentile":27,"epssTimeSeries":34,"severity":35,"affectedProducts":36,"affectedProductsCount":45,"references":46,"referencesCount":45,"weaknesses":58,"weaknessesCount":67,"isActivelyExploited":4,"cisaInfo":68,"otxData":27,"relatedBlogPosts":69,"seoMetadata":70,"configurations":95,"relatedVendorCves":123,"notableEvents":124},"CVE-2026-76504","What is CVE-2026-76504?","A vulnerability in the API session-based authentication management of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to access an affected system with privileges of the admin user.\r\n\r\nThis vulnerability is due to improper handling of URI encoding in an HTTP request, which allows the request to bypass an authentication rule that is intended to restrict access to a specific API endpoint. An attacker could exploit this vulnerability by sending a crafted HTTP request to the API of the affected system. A successful exploit could allow the attacker to bypass authentication and gain access to the API as the admin user.","A vulnerability in the API session-based authentication management of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to access...","2026-09-30T13:17:20.247","2026-10-03T00:16:39.14",9.8,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":30,"CVSSMetricV2":31,"CVSSMetricV40":32},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":28,"ImpactScore":29},"psirt@cisco.com","Secondary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"3.1","NETWORK","LOW","NONE","UNCHANGED","HIGH","CRITICAL",null,3.9,5.9,[],[],[],0.01819,[33,33,33,33,33,33,33],"Critical",[37,42],{"vendor":38,"product":39,"version":40,"criteria":41,"vulnerable":4},"cisco","catalyst_sd-wan_manager","*","cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*",{"vendor":38,"product":39,"version":43,"criteria":44,"vulnerable":4},"26.2","cpe:2.3:a:cisco:catalyst_sd-wan_manager:26.2:*:*:*:*:*:*:*",2,[47,53],{"url":48,"source":49,"tags":50},"https:\u002F\u002Fsec.cloudapps.cisco.com\u002Fsecurity\u002Fcenter\u002Fcontent\u002FCiscoSecurityAdvisory\u002Fcisco-sa-sdwan-webauth-xr8beuuU","Cisco",[51,52],"Mitigation","Vendor Advisory",{"url":54,"source":55,"tags":56},"https:\u002F\u002Fwww.cisa.gov\u002Fknown-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76504","CISA",[57],"US Government Resource",[59],{"id":60,"name":61,"description":62,"extendedDescription":63,"status":64,"abstraction":65,"structure":66},"CWE-177","Improper Handling of URL Encoding (Hex Encoding)","The product does not properly handle when all or part of an input has been URL encoded.","","Draft","Variant","Simple",1,{"shortDescription":63,"requiredAction":63,"vulnerabilityName":63,"dateAdded":27},[],{"title":71,"metaDescription":72,"keywords":73,"canonicalUrl":74,"structuredData":75},"What is CVE-2026-76504? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2026-76504, a critical severity cyber security vulnerability from 2026. A vulnerability in the API session-based authentication...","CVE-2026-76504, CVE-2026-76504 vulnerability, CVE-2026-76504 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2026, CVSS score, exploit, patch, remediation, cisco security, catalyst_sd-wan_manager vulnerability","\u002Fwhat-is\u002Fcve-2026-76504",{"@context":76,"@type":77,"headline":71,"description":72,"datePublished":10,"dateModified":11,"author":78,"publisher":82,"about":86,"mainEntityOfPage":90,"articleSection":93,"keywords":94},"https:\u002F\u002Fschema.org","TechArticle",{"@type":79,"name":80,"url":81},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":79,"name":80,"url":81,"logo":83},{"@type":84,"url":85},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":87,"name":6,"description":88,"additionalType":89},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":91,"@id":92},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2026-76504","Cybersecurity","CVE-2026-76504, CVE-2026-76504 vulnerability, CVE-2026-76504 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[96],{"Operator":27,"Negate":27,"Nodes":97},[98],{"Operator":99,"Negate":100,"CPEMatch":101},"OR",false,[102,105,109,113,117,121],{"Vulnerable":4,"Criteria":41,"MatchCriteriaID":103,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":104,"VersionEndIncluding":27},"77568CB9-9932-4E34-80AE-8F3907FD1108","20.9.10.1",{"Vulnerable":4,"Criteria":41,"MatchCriteriaID":106,"VersionStartExcluding":27,"VersionStartIncluding":107,"VersionEndExcluding":108,"VersionEndIncluding":27},"0718434D-8D5C-4C3B-9A5A-E51E00FAF08E","20.12","20.12.8.2",{"Vulnerable":4,"Criteria":41,"MatchCriteriaID":110,"VersionStartExcluding":27,"VersionStartIncluding":111,"VersionEndExcluding":112,"VersionEndIncluding":27},"A18803AF-4543-48CF-B285-491D299B9E4F","20.15","20.15.6.1",{"Vulnerable":4,"Criteria":41,"MatchCriteriaID":114,"VersionStartExcluding":27,"VersionStartIncluding":115,"VersionEndExcluding":116,"VersionEndIncluding":27},"2C2E5FDB-3377-486E-A162-CC41CEDD6407","20.18","20.18.4.1",{"Vulnerable":4,"Criteria":41,"MatchCriteriaID":118,"VersionStartExcluding":27,"VersionStartIncluding":119,"VersionEndExcluding":120,"VersionEndIncluding":27},"C3146F9A-A6CB-43C0-83D5-65E86E733459","26.1","26.1.2.1",{"Vulnerable":4,"Criteria":44,"MatchCriteriaID":122,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"AF723B33-8BE6-4A8D-B156-28CC3EB3A87B",[],[125,132],{"id":126,"eventType":127,"eventTime":128,"details":129,"label":130,"color":131},"8800ccff-2b5f-4074-a64e-e3fdef2e5440","NEW_CISA","2026-10-01T04:01:17.248722+00:00","CVE added to CISA Known Exploited Vulnerabilities","Added to CISA KEV","red",{"id":133,"eventType":134,"eventTime":135,"details":136,"label":137,"color":138},"677093bb-4514-447b-9a03-3ef97dd8f52a","NEW_NVD","2026-10-01T04:01:46.778851+00:00","New CVE added to NVD","Published to NVD","blue",{"lastModified":11,"cacheTime":140,"version":141},1792364729572,"2.0",{"score":143,"band":35,"action":144,"scoredAt":145},90,"Emergency patch","2026-10-16T07:18:19.69114+00:00"]