{"id":"CVE-2026-40162","summary":"Bugsink affected by authenticated arbitrary file write in artifactbundle/assemble","details":"Bugsink is a self-hosted error tracking tool. In 2.1.0, an authenticated file write vulnerability was identified in Bugsink 2.1.0 in the artifact bundle assembly flow. A user with a valid authentication token could cause the application to write attacker-controlled content to a filesystem location writable by the Bugsink process. This vulnerability is fixed in 2.1.1.","aliases":["GHSA-8hw4-fhww-273g","PYSEC-2026-2404"],"modified":"2026-08-12T03:51:29.370615355Z","published":"2026-04-10T17:02:58.985Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-20"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40162.json"},"references":[{"type":"WEB","url":"https://github.com/bugsink/bugsink/releases/tag/2.1.1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40162.json"},{"type":"ADVISORY","url":"https://github.com/bugsink/bugsink/security/advisories/GHSA-8hw4-fhww-273g"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40162"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bugsink/bugsink","events":[{"introduced":"43c81f62328e2f782848dcc348a3862c6f0d1aad"},{"fixed":"c5d04b12ceebdc22942439bddd92dc70e8cd6cd0"}],"database_specific":{"extracted_events":[{"introduced":"2.1.0"},{"fixed":"2.1.1"}],"source":"AFFECTED_FIELD"}}],"versions":["2.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40162.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L"}]}