{"id":"CVE-2026-45153","aliases":["BIT-nextcloud-2026-45153","EUVD-2026-33672","GHSA-2w7v-5299-3hw5"],"status":"published","title":"Nextcloud: PIN bypass in PassCodeActivity via back button","description":"Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud Files app PIN. This issue has been patched in version 33.1.0.","severity":{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00153,"percentile":0.04495,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2026-06-01T16:37:12Z","modified":"2026-10-28T02:30:43Z","fixes":[{"ecosystem":"Bitnami","package":"nextcloud","fixed_in":["33.1.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"nextcloud","ranges":[{"type":"SEMVER","events":[{"introduced":"33.0.0"},{"fixed":"33.1.0"}]}]}],"products":[{"vendor":"kiteworks","product":"security-advisories"},{"vendor":"nextcloud","product":"security-advisories"}],"references":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2w7v-5299-3hw5","tags":["x_refsource_CONFIRM","web","advisory"]},{"url":"https://github.com/nextcloud/android/pull/16896","tags":["x_refsource_MISC","web","fix"]},{"url":"https://hackerone.com/reports/3625210","tags":["x_refsource_MISC","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45153","tags":["web","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45153.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-45153","title":"Nextcloud: PIN bypass in PassCodeActivity via back button","description":"Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud Files app PIN. This issue has been patched in version 33.1.0.","status":"published","published":"2026-06-01T16:37:12.319Z","modified":"2026-06-01T17:53:36.647Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T13:46:43.922571Z"}],"euvd":[{"id":"EUVD-2026-33672","description":"Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud Files app PIN. This issue has been patched in version 33.1.0.","status":"published","published":"2026-06-01T16:37:12Z","modified":"2026-06-01T17:53:36Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:57.828765Z"}],"nvd":[{"id":"CVE-2026-45153","description":"Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud Files app PIN. This issue has been patched in version 33.1.0.","status":"published","published":"2026-06-01T17:17:08.86Z","modified":"2026-07-22T07:10:00.107Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:12:21.635958Z"}],"osv":[{"id":"CVE-2026-45153","title":"Nextcloud: PIN bypass in PassCodeActivity via back button","description":"Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud Files app PIN. This issue has been patched in version 33.1.0.","status":"published","published":"2026-06-01T16:37:12.319Z","modified":"2026-10-28T02:30:43.48106156Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:45:05.172514Z"},{"id":"BIT-nextcloud-2026-45153","title":"Nextcloud: PIN bypass in PassCodeActivity via back button","description":"Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud Files app PIN. This issue has been patched in version 33.1.0.","status":"published","published":"2026-07-12T23:48:00.245Z","modified":"2026-07-13T06:26:09.390858604Z","updated_at":"2026-11-02T15:28:34.007508Z"}]}}