{"id":"CVE-2026-41245","aliases":["EUVD-2026-23872","GHSA-hf5p-q87m-crj7","RHLW-2026-ed15c0b8d4d51966"],"status":"published","title":"Junrar: Path Traversal (Zip-Slip) via Sibling Directory Name Prefix","description":"Junrar is an open source java RAR archive library. Prior to version 7.5.10, a path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content into sibling directories when a crafted RAR archive is extracted. Version 7.5.10 fixes the issue.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00336,"percentile":0.27202,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2026-04-16T21:14:33Z","modified":"2026-10-28T11:13:18Z","fixes":[{"ecosystem":"Maven","package":"com.github.junrar:junrar","fixed_in":["7.5.10"],"sources":["ghsa","osv"]},{"ecosystem":"Red Hat Lightwell:Maven","package":"com.github.junrar:junrar","fixed_in":["7.5.5.rhlw-00001"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.github.junrar:junrar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.5.10"}]}]},{"source":"osv","ecosystem":"Maven","package":"com.github.junrar:junrar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.5.10"}]}],"versions":["0.7","1.0.0","1.0.1","2.0.0","3.0.0","3.1.0","4.0.0","5.0.0","6.0.0","6.0.1","7.0.0","7.1.0","7.2.0","7.3.0","7.4.0","7.4.1","7.5.0","7.5.1","7.5.2","7.5.3","7.5.4","7.5.5","7.5.6","7.5.7","7.5.8","7.5.9"]},{"source":"osv","ecosystem":"Red Hat Lightwell:Maven","package":"com.github.junrar:junrar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.5.5.rhlw-00001"}]}],"versions":["0.7","1.0.0","1.0.1","2.0.0","3.0.0","3.1.0","4.0.0","5.0.0","6.0.0","6.0.1","7.0.0","7.1.0","7.2.0","7.3.0","7.4.0","7.4.1","7.5.0","7.5.1","7.5.2","7.5.3","7.5.4","7.5.5"]}],"products":[{"vendor":"junrar","product":"junrar"},{"vendor":"junrar_project","product":"junrar"},{"vendor":"red hat","product":"red hat fuse 7"},{"vendor":"red hat","product":"red hat jboss enterprise application platform 8"},{"vendor":"red hat","product":"red hat jboss enterprise application platform expansion pack"}],"references":[{"url":"https://github.com/junrar/junrar/security/advisories/GHSA-hf5p-q87m-crj7","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/junrar/junrar/commit/d77e9a83eb721cd51f9c23d7869d0e6ad7f952d7","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/junrar/junrar/releases/tag/v7.5.10","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-41245","tags":["vdb-entry","x_refsource_REDHAT","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2459769","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41245.json","tags":["x_sadp-csaf-vex","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41245","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hf5p-q87m-crj7","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41245.json","tags":["advisory"]},{"url":"https://github.com/junrar/junrar","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41245","title":"Junrar: Path Traversal (Zip-Slip) via Sibling Directory Name Prefix","description":"Junrar is an open source java RAR archive library. Prior to version 7.5.10, a path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content into sibling directories when a crafted RAR archive is extracted. Version 7.5.10 fixes the issue.","status":"published","published":"2026-04-20T15:15:24.54Z","modified":"2026-08-18T12:05:24.199Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"},{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-22","CWE-22"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-23872","description":"Junrar is an open source java RAR archive library. Prior to version 7.5.10, a path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content into sibling directories when a crafted RAR archive is extracted. Version 7.5.10 fixes the issue.","status":"published","published":"2026-04-20T15:15:24Z","modified":"2026-08-18T12:05:24Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:47.222335Z"}],"ghsa":[{"id":"GHSA-hf5p-q87m-crj7","title":"Junrar: Path Traversal (Zip-Slip) via Sibling Directory Name Prefix","description":"### Summary\n\nA path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content into sibling directories when a crafted RAR archive is extracted.\n\n### Example\n\nGiven an extraction directory set to `/tmp/extract`, a crafted archive with an entry with the filename as `../extract_evil/file.txt` would be actually extracted to `/tmp/extract_evil/file.txt`.\n\n### Details\n\nThe `createDirectory()` and `createFile()` methods in`LocalFolderExtractor` validate extraction paths using a string prefix.","status":"published","published":"2026-04-16T21:14:33Z","modified":"2026-04-24T20:56:03Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:39:57.650091Z"}],"nvd":[{"id":"CVE-2026-41245","description":"Junrar is an open source java RAR archive library. Prior to version 7.5.10, a path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content into sibling directories when a crafted RAR archive is extracted. Version 7.5.10 fixes the issue.","status":"published","published":"2026-04-20T16:16:49.113Z","modified":"2026-08-18T12:18:45.477Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:15.120927Z"}],"osv":[{"id":"CVE-2026-41245","title":"Junrar: Path Traversal (Zip-Slip) via Sibling Directory Name Prefix","description":"Junrar is an open source java RAR archive library. Prior to version 7.5.10, a path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content into sibling directories when a crafted RAR archive is extracted. Version 7.5.10 fixes the issue.","status":"published","published":"2026-04-20T15:15:24.54Z","modified":"2026-10-28T11:13:18.133622334Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:45:03.764807Z"},{"id":"GHSA-hf5p-q87m-crj7","title":"Junrar: Path Traversal (Zip-Slip) via Sibling Directory Name Prefix","description":"### Summary\n\nA path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content into sibling directories when a crafted RAR archive is extracted.\n\n### Example\n\nGiven an extraction directory set to `/tmp/extract`, a crafted archive with an entry with the filename as `../extract_evil/file.txt` would be actually extracted to `/tmp/extract_evil/file.txt`.\n\n### Details\n\nThe `createDirectory()` and `createFile()` methods in`LocalFolderExtractor` validate extraction paths using a string prefix.","status":"published","published":"2026-04-16T21:14:33Z","modified":"2026-05-05T16:11:47.377856Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:48.920784Z"},{"id":"RHLW-2026-ed15c0b8d4d51966","title":"Lightwell Security Advisory: junrar 7.5.5.rhlw-00001","description":"Red Hat Lightwell has released com.github.junrar:junrar 7.5.5.rhlw-00001 with a backported security fix.\n\nCVE-2026-41245: Junrar: Path Traversal (Zip-Slip) via Sibling Directory Name Prefix\n\nThis patched artifact is a drop-in replacement for com.github.junrar:junrar 7.5.5 from Maven Central.","status":"published","published":"2026-09-17T11:29:44Z","modified":"2026-10-27T04:00:17.352925727Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:59.135214Z"}]}}