CVE-2026-5027HIGH 8.8EPSS p81.0%
CVE-2026-5027CVE-2026-5027
Description
The 'POST /api/v2/files' endpoint does not sanitize the 'filename' parameter from the multipart form data, allowing an attacker to write files to arbitrary locations on the filesystem using path traversal sequences ('../').
Scoring
| CVSS 3.1 | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.29% probability of exploitation · percentile 81.0% · 2026-06-19T12:03:05Z |
| Published | 2026-03-27 |
| Last modified | 2026-03-30 |
Underlying weaknesses· 1
References
1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')cwe-22 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.