{"id":"CVE-2026-75773","summary":"karakeep-app karakeep Login Endpoint auth.ts authorize excessive authentication","details":"A vulnerability was found in karakeep-app karakeep up to 0.32.0. The affected element is the function authorize of the file apps/web/server/auth.ts of the component Login Endpoint. The manipulation results in improper restriction of excessive authentication attempts. The attack may be performed from remote. This attack is characterized by high complexity. The exploitability is described as difficult. The exploit has been made public and could be used. Upgrading to version 0.33.0 is sufficient to fix this issue. The patch is identified as f7d042971d0d2bcc7119654830cf1eb93eabbf24. It is advisable to upgrade the affected component.","modified":"2026-10-28T02:30:56.325331681Z","published":"2026-08-18T11:00:12.342Z","database_specific":{"cwe_ids":["CWE-307","CWE-799"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75773.json","cna_assigner":"VulDB"},"references":[{"type":"WEB","url":"https://github.com/karakeep-app/karakeep/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75773.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75773"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-75773"},{"type":"ADVISORY","url":"https://vuldb.com/submit/877731"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/391519"},{"type":"REPORT","url":"https://github.com/karakeep-app/karakeep/issues/2919"},{"type":"REPORT","url":"https://vuldb.com/vuln/391519/cti"},{"type":"FIX","url":"https://github.com/karakeep-app/karakeep/commit/f7d042971d0d2bcc7119654830cf1eb93eabbf24"},{"type":"FIX","url":"https://github.com/karakeep-app/karakeep/releases/tag/mcp/v0.33.0"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/karakeep-app/karakeep","events":[{"introduced":"8f01767be35850f5400828283caff44074f6a458"},{"fixed":"f7d042971d0d2bcc7119654830cf1eb93eabbf24"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0.1"},{"last_affected":"0.1"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion","range":[{"introduced":"0.2"},{"last_affected":"0.2"}]},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.3"},{"last_affected":"0.3"}],"source":"AFFECTED_FIELD"},{"range":[{"introduced":"0.4"},{"last_affected":"0.4"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion","range":[{"introduced":"0.5"},{"last_affected":"0.5"}]},{"range":[{"introduced":"0.6"},{"last_affected":"0.6"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"range":[{"introduced":"0.7"},{"last_affected":"0.7"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"range":[{"introduced":"0.8"},{"last_affected":"0.8"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.9"},{"last_affected":"0.9"}],"source":"AFFECTED_FIELD"},{"range":[{"introduced":"0.10"},{"last_affected":"0.10"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"range":[{"introduced":"0.11"},{"last_affected":"0.11"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion","range":[{"introduced":"0.12"},{"last_affected":"0.12"}]},{"range":[{"introduced":"0.13"},{"last_affected":"0.13"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"range":[{"introduced":"0.14"},{"last_affected":"0.14"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.15"},{"last_affected":"0.15"}],"source":"AFFECTED_FIELD"},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.16"},{"last_affected":"0.16"}],"source":"AFFECTED_FIELD"},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.17"},{"last_affected":"0.17"}],"source":"AFFECTED_FIELD"},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.18"},{"last_affected":"0.18"}],"source":"AFFECTED_FIELD"},{"range":[{"introduced":"0.19"},{"last_affected":"0.19"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion","range":[{"introduced":"0.20"},{"last_affected":"0.20"}]},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.21"},{"last_affected":"0.21"}],"source":"AFFECTED_FIELD"},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.22"},{"last_affected":"0.22"}],"source":"AFFECTED_FIELD"},{"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion","range":[{"introduced":"0.23"},{"last_affected":"0.23"}]},{"range":[{"introduced":"0.24"},{"last_affected":"0.24"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.25"},{"last_affected":"0.25"}],"source":"AFFECTED_FIELD"},{"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion","range":[{"introduced":"0.26"},{"last_affected":"0.26"}]},{"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion","range":[{"introduced":"0.27"},{"last_affected":"0.27"}]},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.28"},{"last_affected":"0.28"}],"source":"AFFECTED_FIELD"},{"range":[{"introduced":"0.29"},{"last_affected":"0.29"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"range":[{"introduced":"0.30"},{"last_affected":"0.30"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"range":[{"introduced":"0.31"},{"last_affected":"0.31"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"},{"strategy":"StandaloneSingleVersion","range":[{"introduced":"0.32.0"},{"last_affected":"0.32.0"}],"source":"AFFECTED_FIELD"},{"range":[{"fixed":"f7d042971d0d2bcc7119654830cf1eb93eabbf24"}],"source":"REFERENCES_COMMIT"}]}}],"versions":["0.1","0.10","0.11","0.12","0.13","0.14","0.15","0.16","0.17","0.18","0.19","0.2","0.20","0.21","0.22","0.23","0.24","0.25","0.26","0.27","0.28","0.29","0.3","0.30","0.31","0.32.0","0.4","0.5","0.6","0.7","0.8","0.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-75773.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P"}]}