{"id":"CVE-2019-12739","aliases":["EUVD-2019-4328","GHSA-vpwh-6v3v-q9vw"],"status":"published","title":"lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud allows...","description":"lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud allows Remote Code Execution via shell metacharacters in a RAR filename via ajax/extractRar.php (nameOfFile and directory parameters).","severity":{"version":"3.0","score":9,"vector":"CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:R","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02508,"percentile":0.84868,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2019-06-05T13:57:32Z","modified":"2026-06-17T02:15:21Z","products":[{"vendor":"nextcloud","product":"extract"}],"references":[{"url":"https://hackerone.com/reports/546753","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.secsignal.org/news/a-tale-of-rce-nextcloud-extract-app/","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12739"},{"url":"https://github.com/advisories/GHSA-vpwh-6v3v-q9vw"}],"sources":{"cve":[{"id":"CVE-2019-12739","description":"lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud allows Remote Code Execution via shell metacharacters in a RAR filename via ajax/extractRar.php (nameOfFile and directory parameters).","status":"published","published":"2019-06-05T13:57:32Z","modified":"2024-08-04T23:32:54.186Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:R","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:20:24.025419Z"}],"euvd":[{"id":"EUVD-2019-4328","description":"lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud allows Remote Code Execution via shell metacharacters in a RAR filename via ajax/extractRar.php (nameOfFile and directory parameters).","status":"published","published":"2019-06-05T13:57:32Z","modified":"2024-08-04T23:32:54Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:R","level":"critical"}],"updated_at":"2026-11-03T02:40:45.434408Z"}],"ghsa":[{"id":"GHSA-vpwh-6v3v-q9vw","title":"lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud allows...","description":"lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud allows Remote Code Execution via shell metacharacters in a RAR filename via ajax/extractRar.php (nameOfFile and directory parameters).","status":"published","published":"2022-05-24T16:47:19Z","modified":"2023-01-28T05:05:42Z","updated_at":"2026-11-02T14:44:21.953506Z"}],"nvd":[{"id":"CVE-2019-12739","description":"lib/Controller/ExtractionController.php in the Extract add-on before 1.2.0 for Nextcloud allows Remote Code Execution via shell metacharacters in a RAR filename via ajax/extractRar.php (nameOfFile and directory parameters).","status":"published","published":"2019-06-05T14:29:11.513Z","modified":"2026-06-17T02:15:21.043Z","cvss":[{"version":"3.0","score":9,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:05:16.285679Z"}]}}