CVE-2026-108580
AniWorld Downloader before 5.3.0 WebUI Login Brute Force via /login
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 10, 2026
- Updated
- Oct 13, 2026
- Reserved
- Oct 10, 2026
Description
AniWorld Downloader before 5.3.0 contains an improper restriction of authentication attempts vulnerability in the WebUI /login POST handler that allows unauthenticated attackers to guess passwords without throttling. Attackers can enumerate usernames through verify_user response timing and brute-force passwords on exposed WebUI instances to take over accounts.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-307 Improper Restriction of Excessive Authentication Attempts
Affected Products
| Product | Versions |
|---|---|
AniWorld Downloaderphoenixthrush |
|
References
- https://github.com/phoenixthrush/AniWorld-Downloader/issues/334issue-tracking
- https://github.com/phoenixthrush/AniWorld-Downloader/commit/3c070bd10665377308a3092e11933681c18a5fd1patch
- AniWorld Downloader v.5.3.0 Release Notesrelease-notes
- https://hackmd.io/@haind/aniworld-login-brute-forcethird-party-advisory
- https://github.com/phoenixthrush/AniWorld-Downloader/blob/bb13599d17937fdb4df2df699024bc233f0656f2/src/aniworld/web/auth.py#L239-L256technical-description
- VulnCheck Advisory: AniWorld Downloader before 5.3.0 WebUI Login Brute Force via /loginthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.