CVE-2026-108580CWE-307

CVE-2026-108580

Medium · published October 10, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
17.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
6.9 · 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
EPSS
0.00264 · 17.4th percentile
Weakness
CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published
2026-10-10T20:16Z
References (6)
https://github.com/phoenixthrush/AniWorld-Downloader/blob/bb13599d17937fdb4df2df699024bc233f0656f2/src/aniworld/web/auth.py#L239-L256 · [email protected]https://github.com/phoenixthrush/AniWorld-Downloader/commit/3c070bd10665377308a3092e11933681c18a5fd1 · [email protected]https://github.com/phoenixthrush/AniWorld-Downloader/issues/334 · [email protected]https://github.com/phoenixthrush/AniWorld-Downloader/releases/tag/v.5.3.0 · [email protected]https://hackmd.io/@haind/aniworld-login-brute-force · [email protected]https://www.vulncheck.com/advisories/aniworld-downloader-before-5.3.0-webui-login-brute-force-via-login · [email protected]
EPSS history
Timeline
  • 12 OCT 03:26Z
    EPSS moved — → 0%
    epss
  • 10 OCT 15:57Z
    AniWorld Downloader before 5.3.0 WebUI Login Brute Force via /login
    cvelistv5
  • 10 OCT 15:57Z
    AniWorld Downloader before 5.3.0 WebUI Login Brute Force via /login
    cvelistv5