[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fYDO1dRK2r1gZGKcIj9IObUgNPp0Fh595qVULJ6zqN_4":3,"g5a-risk:CVE-2026-105241":121},{"success":4,"data":5,"meta":118},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":32,"epssPercentile":26,"epssTimeSeries":33,"severity":34,"affectedProducts":35,"affectedProductsCount":41,"references":42,"referencesCount":62,"weaknesses":63,"weaknessesCount":41,"isActivelyExploited":72,"cisaInfo":26,"otxData":26,"relatedBlogPosts":73,"seoMetadata":74,"configurations":99,"relatedVendorCves":109,"notableEvents":110},"CVE-2026-105241","What is CVE-2026-105241?","Improper Handling of Unicode Encoding vulnerability in the SmtpPickupDirAppender of Apache log4net.\n\nContent that the mail file writer cannot encode, such as an unpaired UTF-16 surrogate, made the write throw. Every buffered event in the batch was discarded, not only the one carrying the content, and a truncated mail could be left in the pickup directory. A party whose data reaches a log message could suppress the records of other events. Only applications that use SmtpPickupDirAppender are affected.\n\nThis issue affects Apache log4net: from 1.2.9 before 3.5.0.\n\nUsers are recommended to upgrade to version 3.5.0, which fixes the issue.","Improper Handling of Unicode Encoding vulnerability in the SmtpPickupDirAppender of Apache log4net. Content that the mail file writer cannot encode, such as ...","2026-10-06T20:17:15.907","2026-10-09T15:29:42.56",5.3,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:L\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":29,"CVSSMetricV2":30,"CVSSMetricV40":31},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":27,"ImpactScore":28},"security@apache.org","Secondary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":23,"IntegrityImpact":22,"AvailabilityImpact":23,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":26,"ModifiedAttackVector":26,"ModifiedAttackComplexity":26,"ModifiedPrivilegesRequired":26,"ModifiedUserInteraction":26,"ModifiedScope":26,"ModifiedConfidentialityImpact":26,"ModifiedIntegrityImpact":26,"ModifiedAvailabilityImpact":26,"EnvironmentalScore":26,"EnvironmentalSeverity":26},"3.1","NETWORK","LOW","NONE","UNCHANGED","MEDIUM",null,3.9,1.4,[],[],[],0.00823,[32,32,32,32,32,32,32],"Medium",[36],{"vendor":37,"product":38,"version":39,"criteria":40,"vulnerable":4},"apache","log4net","*","cpe:2.3:a:apache:log4net:*:*:*:*:*:*:*:*",1,[43,48,51,57],{"url":44,"source":45,"tags":46},"https:\u002F\u002Fgithub.com\u002Fapache\u002Flogging-log4net\u002Fcommit\u002F4d2e10f0908199604b4326f9df6d0b43b871e333","GitHub",[47],"Patch",{"url":49,"source":45,"tags":50},"https:\u002F\u002Fgithub.com\u002Fapache\u002Flogging-log4net\u002Fpull\u002F315",[47],{"url":52,"source":53,"tags":54},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Fhg8dgh3oy8bp3dhb8nsygk9kw2o401ws","Apache",[55,56],"Mailing List","Vendor Advisory",{"url":58,"source":59,"tags":60},"http:\u002F\u002Fwww.openwall.com\u002Flists\u002Foss-security\u002F2026\u002F10\u002F07\u002F15","Openwall",[55,61],"Third Party Advisory",4,[64],{"id":65,"name":66,"description":67,"extendedDescription":68,"status":69,"abstraction":70,"structure":71},"CWE-176","Improper Handling of Unicode Encoding","The product does not properly handle when an input contains Unicode encoding.","","Draft","Variant","Simple",false,[],{"title":75,"metaDescription":76,"keywords":77,"canonicalUrl":78,"structuredData":79},"What is CVE-2026-105241? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2026-105241, a medium severity cyber security vulnerability from 2026. Improper Handling of Unicode Encoding vulnerability in t...","CVE-2026-105241, CVE-2026-105241 vulnerability, CVE-2026-105241 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2026, CVSS score, exploit, patch, remediation, apache security, log4net vulnerability","\u002Fwhat-is\u002Fcve-2026-105241",{"@context":80,"@type":81,"headline":75,"description":76,"datePublished":10,"dateModified":11,"author":82,"publisher":86,"about":90,"mainEntityOfPage":94,"articleSection":97,"keywords":98},"https:\u002F\u002Fschema.org","TechArticle",{"@type":83,"name":84,"url":85},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":83,"name":84,"url":85,"logo":87},{"@type":88,"url":89},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":91,"name":6,"description":92,"additionalType":93},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":95,"@id":96},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2026-105241","Cybersecurity","CVE-2026-105241, CVE-2026-105241 vulnerability, CVE-2026-105241 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[100],{"Operator":26,"Negate":26,"Nodes":101},[102],{"Operator":103,"Negate":72,"CPEMatch":104},"OR",[105],{"Vulnerable":4,"Criteria":40,"MatchCriteriaID":106,"VersionStartExcluding":26,"VersionStartIncluding":107,"VersionEndExcluding":108,"VersionEndIncluding":26},"182F45E2-D20D-4B67-85C1-AFE1D39A5692","1.2.9","3.5.0",[],[111],{"id":112,"eventType":113,"eventTime":114,"details":115,"label":116,"color":117},"3f812208-05d5-4ccc-a1b8-5ad82321df0d","NEW_NVD","2026-10-07T04:02:49.537747+00:00","New CVE added to NVD","Published to NVD","blue",{"lastModified":11,"cacheTime":119,"version":120},1792348122010,"2.0",{"score":122,"band":123,"action":124,"scoredAt":125},23,"Low","Monitor","2026-10-16T07:18:33.059442+00:00"]