MEDIUMCVSS v3.1 4.9Vulnerability
CVE-2026-121544
Koodo Reader through 2.4.6 contains a path traversal vulnerability in the self-hosted HTTP server's OPDS handlers that allows authenticated attackers to read files outside the upload directory. Attackers can upload a crafted books.db with a cover value containing ../ sequences, then request /opds/cover/{key} to read files accessible to the server process.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-03T17:20:13.885968+00:00
- Cvss severity
- MEDIUM
- Cvss score
- 4.9
- Retrieved at
- 2026-11-03T17:21:18+00:00
- Score
- 4.9
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-121544
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- First seen by Signal
- 2026-11-03T17:21:18+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- Published at
- 2026-11-03T16:17:25.857
- Last modified
- 2026-11-03T17:18:10.353
Related Entities (1)
HAS_WEAKNESS (1)
Explore deeper with Ninja Signal's threat intelligence graph