[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fgRIolz_WvD60NZaJ--peMyT3Db-lm8ln1k50JfJqJpM":3,"g5a-risk:CVE-2026-12490":122},{"success":4,"data":5,"meta":119},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":40,"epssPercentile":28,"epssTimeSeries":41,"severity":42,"affectedProducts":43,"affectedProductsCount":49,"references":50,"referencesCount":49,"weaknesses":57,"weaknessesCount":73,"isActivelyExploited":74,"cisaInfo":28,"otxData":28,"relatedBlogPosts":75,"seoMetadata":76,"configurations":101,"relatedVendorCves":110,"notableEvents":111},"CVE-2026-12490","What is CVE-2026-12490?","When a provide-xfr is given with a tls-auth-name, a secondary requesting a transfer should provide a client certificate with that name. However, no client certificate is needed when the request comes in over TLS over the regular tls-port (and not the tls-auth-port) or over over TCP over the regular port, when the other conditions of the provide-xfr rule match.","When a provide-xfr is given with a tls-auth-name, a secondary requesting a transfer should provide a client certificate with that name. However, no client ce...","2026-06-25T07:16:45.33","2026-06-26T02:08:03.443",8.2,"CVSS:4.0\u002FAV:N\u002FAC:H\u002FAT:N\u002FPR:N\u002FUI:N\u002FVC:H\u002FVI:N\u002FVA:N\u002FSC:N\u002FSI:N\u002FSA:N\u002FE:X\u002FCR:X\u002FIR:X\u002FAR:X\u002FMAV:X\u002FMAC:X\u002FMAT:X\u002FMPR:X\u002FMUI:X\u002FMVC:X\u002FMVI:X\u002FMVA:X\u002FMSC:X\u002FMSI:X\u002FMSA:X\u002FS:X\u002FAU:X\u002FR:X\u002FV:X\u002FRE:X\u002FU:X",{"CVSSMetricV31":15,"CVSSMetricV30":31,"CVSSMetricV2":32,"CVSSMetricV40":33},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":29,"ImpactScore":30},"nvd@nist.gov","Primary",{"Version":20,"VectorString":21,"AttackVector":22,"AttackComplexity":23,"PrivilegesRequired":24,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":26,"IntegrityImpact":24,"AvailabilityImpact":24,"BaseScore":27,"BaseSeverity":26,"ExploitCodeMaturity":28,"RemediationLevel":28,"ReportConfidence":28,"TemporalScore":28,"TemporalSeverity":28,"ConfidentialityRequirement":28,"IntegrityRequirement":28,"AvailabilityRequirement":28,"ModifiedAttackVector":28,"ModifiedAttackComplexity":28,"ModifiedPrivilegesRequired":28,"ModifiedUserInteraction":28,"ModifiedScope":28,"ModifiedConfidentialityImpact":28,"ModifiedIntegrityImpact":28,"ModifiedAvailabilityImpact":28,"EnvironmentalScore":28,"EnvironmentalSeverity":28},"3.1","CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:N\u002FA:N","NETWORK","LOW","NONE","UNCHANGED","HIGH",7.5,null,3.9,3.6,[],[],[34],{"Source":35,"Type":36,"CVSSData":37},"sep@nlnetlabs.nl","Secondary",{"Version":38,"VectorString":13,"BaseScore":12,"BaseSeverity":26,"AttackVector":22,"AttackComplexity":26,"AttackRequirements":24,"PrivilegesRequired":24,"UserInteraction":24,"VulnConfidentialityImpact":26,"VulnIntegrityImpact":24,"VulnAvailabilityImpact":24,"SubConfidentialityImpact":24,"SubIntegrityImpact":24,"SubAvailabilityImpact":24,"ExploitMaturity":39,"ConfidentialityRequirement":39,"IntegrityRequirement":39,"AvailabilityRequirement":39,"ModifiedAttackVector":39,"ModifiedAttackComplexity":39,"ModifiedAttackRequirements":39,"ModifiedPrivilegesRequired":39,"ModifiedUserInteraction":39,"ModifiedVulnConfidentialityImpact":39,"ModifiedVulnIntegrityImpact":39,"ModifiedVulnAvailabilityImpact":39,"ModifiedSubConfidentialityImpact":39,"ModifiedSubIntegrityImpact":39,"ModifiedSubAvailabilityImpact":39,"Safety":39,"Automatable":39,"Recovery":39,"ValueDensity":39,"VulnerabilityResponseEffort":39,"ProviderUrgency":39},"4.0","NOT_DEFINED",0.00216,[40,40,40,40,40,40,40],"High",[44],{"vendor":45,"product":46,"version":47,"criteria":48,"vulnerable":4},"nlnetlabs","nsd","*","cpe:2.3:a:nlnetlabs:nsd:*:*:*:*:*:*:*:*",1,[51],{"url":52,"source":53,"tags":54},"https:\u002F\u002Fwww.nlnetlabs.nl\u002Fdownloads\u002Fnsd\u002FCVE-2026-12490.txt","Nlnetlabs",[55,56],"Patch","Vendor Advisory",[58,66],{"id":59,"name":60,"description":61,"extendedDescription":62,"status":63,"abstraction":64,"structure":65},"CWE-284","Improper Access Control","The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.","Access control involves the use of several protection mechanisms such as:\nWhen any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc.\nThere are two distinct behaviors that can introduce access control weaknesses:","Incomplete","Pillar","Simple",{"id":67,"name":68,"description":69,"extendedDescription":70,"status":71,"abstraction":72,"structure":65},"CWE-306","Missing Authentication for Critical Function","The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.","","Draft","Base",2,false,[],{"title":77,"metaDescription":78,"keywords":79,"canonicalUrl":80,"structuredData":81},"What is CVE-2026-12490? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2026-12490, a high severity cyber security vulnerability from 2026. When a provide-xfr is given with a tls-auth-name, a seconda...","CVE-2026-12490, CVE-2026-12490 vulnerability, CVE-2026-12490 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2026, CVSS score, exploit, patch, remediation, nlnetlabs security, nsd vulnerability","\u002Fwhat-is\u002Fcve-2026-12490",{"@context":82,"@type":83,"headline":77,"description":78,"datePublished":10,"dateModified":11,"author":84,"publisher":88,"about":92,"mainEntityOfPage":96,"articleSection":99,"keywords":100},"https:\u002F\u002Fschema.org","TechArticle",{"@type":85,"name":86,"url":87},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":85,"name":86,"url":87,"logo":89},{"@type":90,"url":91},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":93,"name":6,"description":94,"additionalType":95},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":97,"@id":98},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2026-12490","Cybersecurity","CVE-2026-12490, CVE-2026-12490 vulnerability, CVE-2026-12490 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[102],{"Operator":28,"Negate":28,"Nodes":103},[104],{"Operator":105,"Negate":74,"CPEMatch":106},"OR",[107],{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":108,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":109,"VersionEndIncluding":28},"3FD6F843-B034-430D-89EC-65AD69360ED8","4.14.3",[],[112],{"id":113,"eventType":114,"eventTime":115,"details":116,"label":117,"color":118},"59d2a03e-4f81-4670-86a6-b395a5f0a787","NEW_NVD","2026-06-26T04:02:06.724592+00:00","New CVE added to NVD","Published to NVD","blue",{"lastModified":11,"cacheTime":120,"version":121},1792338779072,"2.0",{"score":123,"band":124,"action":125,"scoredAt":126},46,"Medium","Plan remediation","2026-10-16T07:14:29.276679+00:00"]