[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"cve-CVE-2026-91006":3},{"id":4,"cve_id":5,"euvd_id":6,"summary":7,"published":8,"cvss_data":9,"is_remote":19,"cwes":20,"cpes":22,"technologies":24,"references":26,"score":29,"epss_score":30,"epss_percentile":31,"is_kev":32,"cisa_kev_date_added":33,"cisa_kev_due_date":33,"cisa_ssvc":34,"attack_mappings":44,"exploits":51},397173,"CVE-2026-91006","EUVD-2026-88210","Apache Karaf's instance-management service (InstanceServiceImpl) builds the command line used to launch a child Karaf JVM by string concatenation, then executes it through \u002Fbin\u002Fsh (Unix) or cscript (Windows). The caller-supplied javaOpts value is spliced into that string unquoted. A javaOpts value containing shell metacharacters (;, |, `, $(...)) is interpreted by the shell instead of being passed to the JVM as an option, giving arbitrary OS command execution as the Karaf process user.\n\n\nReachable via the shell commands instance:create, instance:start, instance:restart, instance:change-opts, and the equivalent InstanceMBean JMX operations (createInstance, startInstance, changeJavaOpts, cloneInstance).\n\nMitigation   *  Set karaf.secured.command.compulsory.roles=admin in etc\u002Fsystem.properties to close the fail-open gap for all unconfigured command scopes.\n  *  Restrict which principals can reach instance:* commands and InstancesMBean via etc\u002Fusers.properties role assignments.\n  *  Treat javaOpts passed to instance:create\u002Finstance:start\u002Finstance:change-opts\u002FInstancesMBean as untrusted input only from fully-trusted operators.","2026-09-28T11:16:00Z",{"cvss_v3.1":10},{"scope":11,"version":12,"baseScore":13,"attackVector":14,"baseSeverity":15,"vectorString":16,"integrityImpact":15,"userInteraction":17,"attackComplexity":18,"availabilityImpact":15,"privilegesRequired":18,"confidentialityImpact":15},"UNCHANGED","3.1",8.8,"NETWORK","HIGH","CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H","NONE","LOW",true,[21],"CWE-78",[23],"cpe:2.3:a:apache:karaf:*:*:*:*:*:*:*:*",[25],"Apache Karaf",[27,28],"https:\u002F\u002Flists.apache.org\u002Fthread\u002Folzy0yjw82b20w59vonfjr1x7v5yzocr","http:\u002F\u002Fwww.openwall.com\u002Flists\u002Foss-security\u002F2026\u002F09\u002F28\u002F3",0.64,0.01135,0.66266,false,null,{"timestamp":35,"automatable":36,"tech_impact":37,"exploitation":38,"cisa_decision":39,"cisa_remediation_timeline":43},"2026-09-29T03:55:20.472246Z","no","total","none",{"vector":40,"decision":41,"priority":42},"CISAv1\u002FE:N\u002FA:N\u002FT:T\u002FM:H\u002F2026-10-25T18:36:02.466847\u002F","track_star","medium","14D",[45],{"name":46,"source":47,"tactics":48,"technique_id":50},"Exploit Public-Facing Application","attack_vector",[49],"initial-access","T1190",[]]