{"id":"CVE-2025-54433","aliases":["GHSA-q78p-g86f-jg6q","PYSEC-2026-1226"],"url":"https://o3.security/vulnerability/CVE-2025-54433","summary":"Bugsink is vulnerable to Path Traversal attacks via event_id in ingestion","details":"## Summary\n\nIn affected versions, ingestion paths construct file locations directly from untrusted `event_id` input without validation. A specially crafted `event_id` can result in paths outside the intended directory, potentially allowing file overwrite or creation in arbitrary locations.\n\nSubmitting such input requires access to a valid DSN. While that limits exposure, DSNs are sometimes discoverable—for example, when included in frontend code—and should not be treated as a strong security boundary.\n\n## Impact\n\nA valid DSN holder can craft an `event_id` that causes the ingestion process to write files outside its designated directory. This allows overwriting files accessible to the user running Bugsink.\n\nIf Bugsink runs in a container, the effect is confined to the container’s filesystem. In non-containerized setups, the overwrite may affect other parts of the system accessible to that user.\n\n## Mitigation\n\nUpdate to version `1.7.4`, `1.6.4`, `1.5.5` or `1.4.3` , which require `event_id` to be a valid UUID and normalizes it before use in file paths.","published":"2025-07-30T14:29:03.510Z","modified":"2026-08-12T03:51:48.338626056Z","cvss":null,"epss":{"score":0.0055,"percentile":0.43539,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"bugsink","fixedVersion":"1.7.4"},{"ecosystem":"PyPI","name":"bugsink","fixedVersion":"1.6.4"},{"ecosystem":"PyPI","name":"bugsink","fixedVersion":"1.5.5"},{"ecosystem":"PyPI","name":"bugsink","fixedVersion":"1.4.3"}],"fix":{"url":"https://github.com/bugsink/bugsink/commit/1001726f4389e982c486cdd5fa81941cb46cfc33","label":"bugsink/bugsink@1001726"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/54xxx/CVE-2025-54433.json"},{"type":"ADVISORY","url":"https://github.com/bugsink/bugsink/security/advisories/GHSA-q78p-g86f-jg6q"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54433"},{"type":"FIX","url":"https://github.com/bugsink/bugsink/commit/1001726f4389e982c486cdd5fa81941cb46cfc33"},{"type":"FIX","url":"https://github.com/bugsink/bugsink/commit/211ddf76758c808c095b5f836c363f148d934d21"},{"type":"FIX","url":"https://github.com/bugsink/bugsink/commit/2c41fbe3881bdea83399a7f9fdc8cff198ae089f"},{"type":"FIX","url":"https://github.com/bugsink/bugsink/commit/53cf1a17a3e96f7c83c7451fd56f980a09d0c9b0"},{"type":"FIX","url":"https://github.com/bugsink/bugsink/commit/55a155003d0b416ea008c5e7dcde85130ad21d9b"},{"type":"FIX","url":"https://github.com/bugsink/bugsink/commit/b94aa8a5c96ce8cdd9711b6beb4e518264993ac2"},{"type":"FIX","url":"https://github.com/bugsink/bugsink/commit/c341687bd655543730c812db35c29199f788be6b"},{"type":"FIX","url":"https://github.com/bugsink/bugsink/commit/c87217bd565122ba70af90436e3ab2cd9bee658f"},{"type":"PACKAGE","url":"https://github.com/bugsink/bugsink"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:48.338626056Z"}}