{"id":"CVE-2026-33001","aliases":["BIT-jenkins-2026-33001","EUVD-2026-12843","GHSA-r6qv-frpc-q66c"],"status":"published","title":"Jenkins has a link following vulnerability allows arbitrary file creation","description":"Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins.\nThis can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.02113,"percentile":0.82078,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22","CWE-59","CWE-61"],"published":"2026-03-18T15:15:23Z","modified":"2026-10-24T10:30:42Z","fixes":[{"ecosystem":"Maven","package":"org.jenkins-ci.main:jenkins-core","fixed_in":["2.555"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"jenkins","fixed_in":["2.541.3","2.555.0"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.jenkins-ci.main:jenkins-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.554"},{"fixed":"2.555"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"jenkins","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.541.3"},{"introduced":"2.542.0"},{"fixed":"2.555.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.jenkins-ci.main:jenkins-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.555"}]}],"versions":["1.396","1.397","1.398","1.399","1.400","1.401","1.403","1.404","1.405","1.406","1.407","1.408","1.409","1.409.1","1.409.2","1.409.3","1.410","1.411","1.412","1.413","1.414","1.415","1.416","1.417","1.418","1.419","1.420","1.421","1.422","1.423","1.424","1.424.1","1.424.2","1.424.3","1.424.4","1.424.5","1.424.6","1.425","1.426","1.427","1.428","1.429","1.430","1.431","1.432","1.433","1.434","1.435","1.436","1.437","1.438","1.439","1.440","1.441","1.442","1.443","1.444","1.445","1.446","1.447","1.447.1","1.447.2","1.448","1.449","1.450","1.451","1.452","1.453","1.454","1.455","1.456","1.457","1.458","1.459","1.460","1.461","1.462","1.463","1.464","1.465","1.466","1.466.1","1.466.2","1.467","1.468","1.469","1.470","1.471","1.472","1.473","1.474","1.475","1.476","1.477","1.478","1.479","1.480","1.480.1","1.480.2","1.480.3","1.481","1.482","1.483","1.484","1.485","1.486","1.487","1.488","1.489","1.490","1.491","1.492","1.493","1.494","1.495","1.496","1.497","1.498","1.499","1.500","1.501","1.502","1.503","1.504","1.505","1.506","1.507","1.508","1.509","1.509.1","1.509.2","1.509.2.JENKINS-14362-jzlib","1.509.2.JENKINS-8856-diag","1.509.3","1.509.3.JENKINS-14362-jzlib","1.509.4","1.510","1.511","1.512","1.513","1.514","1.515","1.516","1.516.JENKINS-14362-jzlib","1.517","1.518","1.518.JENKINS-14362-jzlib","1.519","1.520","1.521","1.522","1.523","1.524","1.525","1.526","1.527","1.528","1.529","1.530","1.531","1.532","1.532.1","1.532.1.JENKINS-19453","1.532.2","1.532.2.JENKINS-21622-diag","1.532.2.JENKINS-22395-diag","1.532.3","1.532.3.JENKINS-22395","1.532.3.JENKINS-22395-2","1.533","1.534","1.535","1.536","1.537","1.538","1.539","1.540","1.541","1.542","1.543","1.544","1.545","1.546","1.547","1.548","1.549","1.550","1.551","1.552","1.553","1.554","1.554.1","1.554.2","1.554.3","1.554.3.JENKINS-18065-ALLRM-all","1.554.3.JENKINS-18065-JENKINS-23945","1.555","1.556","1.557","1.558","1.559","1.560","1.561","1.562","1.563","1.564","1.565","1.565.1","1.565.1.JENKINS-22395-dropLinks","1.565.2","1.565.3","1.566","1.567","1.568","1.569","1.570","1.571","1.572","1.573","1.574","1.575","1.576","1.577","1.578","1.579","1.580","1.580.1","1.580.2","1.580.3","1.581","1.582","1.583","1.584","1.585","1.586","1.587","1.588","1.589","1.590","1.591","1.592","1.593","1.594","1.595","1.596","1.596.1","1.596.2","1.596.3","1.597","1.598","1.599","1.600","1.601","1.602","1.604","1.605","1.606","1.607","1.608","1.609","1.609.1","1.609.2","1.609.3","1.610","1.611","1.612","1.613","1.614","1.615","1.616","1.617","1.618","1.619","1.620","1.621","1.622","1.623","1.624","1.625","1.625.1","1.625.2","1.625.3","1.626","1.627","1.628","1.629","1.630","1.631","1.632","1.633","1.634","1.635","1.636","1.637","1.638","1.639","1.640","1.641","1.642","1.642.1","1.642.2","1.642.3","1.642.4","1.643","1.644","1.645","1.646","1.647","1.648","1.649","1.650","1.651","1.651.1","1.651.2","1.651.3","1.652","1.653","1.654","1.655","1.656","1.657","1.658","2.0","2.0-alpha-1","2.0-alpha-2","2.0-alpha-3","2.0-alpha-4","2.0-beta-1","2.0-beta-2","2.0-rc-1","2.1","2.10","2.100","2.101","2.102","2.103","2.104","2.105","2.106","2.107","2.107.1","2.107.2","2.107.3","2.108","2.109","2.11","2.110","2.111","2.112","2.113","2.114","2.115","2.116","2.117","2.118","2.119","2.12","2.120","2.121","2.121.1","2.121.2","2.121.3","2.122","2.123","2.124","2.125","2.126","2.127","2.128","2.129","2.13","2.130","2.131","2.132","2.133","2.134","2.135","2.136","2.137","2.138","2.138.1","2.138.2","2.138.3","2.138.4","2.14","2.140","2.141","2.142","2.143","2.144","2.145","2.146","2.147","2.148","2.149","2.15","2.150","2.150.1","2.150.2","2.150.3","2.151","2.152","2.153","2.154","2.155","2.156","2.157","2.158","2.159","2.16","2.160","2.161","2.162","2.163","2.164","2.164.1","2.164.2","2.164.3","2.165","2.166","2.167","2.168","2.169","2.17","2.170","2.171","2.172","2.173","2.174","2.175","2.176","2.176.1","2.176.2","2.176.3","2.176.4","2.177","2.178","2.179","2.18","2.180","2.181","2.182","2.183","2.184","2.185","2.186","2.187","2.189","2.19","2.19.1","2.19.2","2.19.3","2.19.4","2.190","2.190.1","2.190.2","2.190.3","2.191","2.192","2.193","2.194","2.195","2.196","2.197","2.198","2.199","2.2","2.20","2.200","2.201","2.202","2.203","2.204","2.204.1","2.204.2","2.204.3","2.204.4","2.204.5","2.204.6","2.205","2.206","2.207","2.208","2.209","2.21","2.210","2.211","2.212","2.213","2.214","2.215","2.216","2.217","2.218","2.219","2.22","2.220","2.221","2.222","2.222.1","2.222.3","2.222.4","2.223","2.224","2.225","2.226","2.227","2.228","2.229","2.23","2.230","2.231","2.232","2.233","2.234","2.235","2.235.1","2.235.2","2.235.3","2.235.4","2.235.5","2.236","2.237","2.238","2.239","2.24","2.240","2.241","2.242","2.243","2.244","2.245","2.246","2.247","2.248","2.249","2.249.1","2.249.2","2.249.3","2.25","2.250","2.251","2.252","2.253","2.254","2.255","2.256","2.257","2.258","2.259","2.26","2.260","2.261","2.262","2.263","2.263.1","2.263.2","2.263.3","2.263.4","2.264","2.265","2.266","2.267","2.268","2.269","2.27","2.270","2.271","2.272","2.273","2.274","2.275","2.276","2.277","2.277.1","2.277.2","2.277.3","2.277.4","2.278","2.279","2.28","2.280","2.281","2.282","2.283","2.284","2.285","2.286","2.287","2.288","2.289","2.289.1","2.289.2","2.289.3","2.29","2.290","2.291","2.292","2.293","2.294","2.295","2.296","2.297","2.298","2.299","2.3","2.30","2.300","2.301","2.302","2.303","2.303.1","2.303.2","2.303.3","2.304","2.305","2.306","2.307","2.308","2.309","2.31","2.311","2.312","2.313","2.314","2.315","2.316","2.317","2.318","2.319","2.319.1","2.319.2","2.319.3","2.32","2.32.1","2.32.2","2.32.3","2.320","2.321","2.322","2.323","2.324","2.325","2.326","2.327","2.328","2.329","2.33","2.330","2.331","2.332","2.332.1","2.332.2","2.332.3","2.332.4","2.333","2.334","2.335","2.336","2.337","2.338","2.339","2.34","2.340","2.341","2.342","2.343","2.344","2.345","2.346","2.346.1","2.346.2","2.346.3","2.347","2.348","2.349","2.35","2.350","2.354","2.355","2.356","2.357","2.358","2.359","2.36","2.360","2.361","2.361.1","2.361.2","2.361.3","2.361.4","2.362","2.363","2.364","2.365","2.366","2.367","2.368","2.369","2.37","2.370","2.371","2.372","2.373","2.374","2.375","2.375.1","2.375.2","2.375.3","2.375.4","2.376","2.377","2.378","2.379","2.38","2.380","2.381","2.382","2.383","2.384","2.385","2.386","2.387","2.387.1","2.387.2","2.387.3","2.388","2.389","2.39","2.390","2.391","2.392","2.393","2.394","2.395","2.396","2.397","2.398","2.399","2.4","2.40","2.400","2.401","2.401.1","2.401.2","2.401.3","2.402","2.403","2.404","2.405","2.406","2.407","2.409","2.41","2.410","2.411","2.412","2.413","2.414","2.414.1","2.414.2","2.414.3","2.415","2.416","2.417","2.418","2.419","2.42","2.420","2.421","2.422","2.423","2.424","2.425","2.426","2.426.1","2.426.2","2.426.3","2.427","2.428","2.429","2.43","2.430","2.431","2.432","2.433","2.434","2.435","2.436","2.437","2.438","2.439","2.44","2.440","2.440.1","2.440.2","2.440.3","2.441","2.442","2.443","2.444","2.445","2.446","2.447","2.448","2.449","2.45","2.450","2.451","2.452","2.452.1","2.452.2","2.452.3","2.452.4","2.453","2.454","2.455","2.456","2.457","2.458","2.459","2.46","2.46.1","2.46.2","2.46.3","2.460","2.461","2.462","2.462.1","2.462.2","2.462.3","2.463","2.464","2.466","2.467","2.468","2.469","2.47","2.470","2.471","2.472","2.473","2.474","2.475","2.476","2.477","2.478","2.479","2.479.1","2.479.2","2.479.3","2.48","2.480","2.481","2.482","2.483","2.484","2.485","2.486","2.487","2.488","2.489","2.49","2.490","2.491","2.492","2.492.1","2.492.2","2.492.3","2.493","2.494","2.495","2.496","2.497","2.498","2.499","2.5","2.50","2.500","2.501","2.502","2.503","2.504","2.504.1","2.504.2","2.504.3","2.505","2.506","2.507","2.508","2.509","2.51","2.510","2.511","2.512","2.513","2.514","2.515","2.516","2.516.1","2.516.2","2.516.3","2.517","2.518","2.519","2.52","2.520","2.521","2.522","2.523","2.524","2.525","2.526","2.527","2.528","2.528.1","2.528.2","2.528.3","2.529","2.53","2.530","2.531","2.532","2.533","2.534","2.535","2.536","2.537","2.538","2.539","2.54","2.540","2.541","2.541.1","2.541.2","2.541.3","2.542","2.543","2.544","2.545","2.546","2.547","2.548","2.549","2.55","2.550","2.551","2.552","2.553","2.554","2.56","2.57","2.58","2.59","2.6","2.60","2.60.1","2.60.2","2.60.3","2.61","2.62","2.63","2.64","2.65","2.66","2.67","2.68","2.69","2.7","2.7.1","2.7.2","2.7.3","2.7.4","2.70","2.71","2.72","2.73","2.73.1","2.73.2","2.73.3","2.74","2.75","2.76","2.77","2.78","2.79","2.8","2.80","2.81","2.82","2.83","2.84","2.85","2.86","2.87","2.88","2.89","2.89.1","2.89.2","2.89.3","2.89.4","2.9","2.90","2.91","2.92","2.93","2.94","2.95","2.96","2.97","2.98","2.99"]}],"products":[{"vendor":"jenkins","product":"jenkins"},{"vendor":"jenkins project","product":"jenkins"},{"vendor":"red hat","product":"openshift developer tools and services 4.12"},{"vendor":"red hat","product":"openshift developer tools and services 4.13"},{"vendor":"red hat","product":"openshift developer tools and services 4.14"},{"vendor":"red hat","product":"openshift developer tools and services 4.15"},{"vendor":"red hat","product":"openshift developer tools and services 4.16"},{"vendor":"red hat","product":"openshift developer tools and services 4.17"},{"vendor":"red hat","product":"openshift developer tools and services 4.18"},{"vendor":"red hat","product":"openshift developer tools and services 4.19"},{"vendor":"red hat","product":"openshift developer tools and services 4.20"},{"vendor":"red hat","product":"openshift developer tools and services 4.21"},{"vendor":"red hat","product":"red hat developer hub"}],"references":[{"url":"https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3657","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-33001","tags":["vdb-entry","x_refsource_REDHAT","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2448645","tags":["issue-tracking","x_refsource_REDHAT","web","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33001.json","tags":["x_sadp-csaf-vex","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10209","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10201","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10211","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10204","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10214","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10213","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10215","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10206","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10205","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10199","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33001","tags":["web","advisory"]},{"url":"https://github.com/jenkinsci/jenkins/commit/6dc99937605d5bddfeaae43a4cd14c2571e23adc","tags":["web"]},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.555","tags":["web"]},{"url":"https://github.com/advisories/GHSA-r6qv-frpc-q66c"},{"url":"https://github.com/jenkinsci/jenkins","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-33001","description":"Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins.\nThis can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.","status":"published","published":"2026-03-18T15:15:23.95Z","modified":"2026-09-09T12:04:54.422Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-59","CWE-22"],"updated_at":"2026-11-02T14:20:07.609948Z"}],"euvd":[{"id":"EUVD-2026-12843","description":"Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins.\nThis can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.","status":"published","published":"2026-03-18T15:15:23Z","modified":"2026-09-09T12:04:54Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:27.763941Z"}],"ghsa":[{"id":"GHSA-r6qv-frpc-q66c","title":"Jenkins has a link following vulnerability allows arbitrary file creation","description":"Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins.\nThis can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.","status":"published","published":"2026-03-18T18:31:16Z","modified":"2026-03-19T23:22:21Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-59","CWE-61"],"updated_at":"2026-11-02T14:39:38.524712Z"}],"nvd":[{"id":"CVE-2026-33001","description":"Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins.\nThis can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.","status":"published","published":"2026-03-18T16:16:28.067Z","modified":"2026-09-09T13:19:17.403Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-59","CWE-22"],"updated_at":"2026-11-02T14:12:09.735529Z"}],"osv":[{"id":"CVE-2026-33001","description":"Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins.\nThis can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.","status":"published","published":"2026-03-18T16:16:28.067Z","modified":"2026-10-24T10:30:42.595906469Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:01.548715Z"},{"id":"GHSA-r6qv-frpc-q66c","title":"Jenkins has a link following vulnerability allows arbitrary file creation","description":"Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins.\nThis can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.","status":"published","published":"2026-03-18T18:31:16Z","modified":"2026-09-10T03:50:40.816432925Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-59","CWE-61"],"updated_at":"2026-11-02T15:46:55.480549Z"},{"id":"BIT-jenkins-2026-33001","description":"Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins.\nThis can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.","status":"published","published":"2026-03-20T09:15:10.344Z","modified":"2026-09-10T16:01:12.091357231Z","updated_at":"2026-11-02T15:28:31.782692Z"}]}}