CVE-2026-108580

Medium

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductAniWorld Downloader

PublishedOct 10, 2026

First seenOct 10, 2026

Weakness typeCWE-307CWE-307

How to fix

Update

phoenixthrush AniWorld Downloader5.3.0 or later

Patches

github.com/phoenixthrush/AniWorld-Downloader/commit/3c070bd10665377308a3092e11933681c18a5fd1

Vendor advisories

github.com/phoenixthrush/AniWorld-Downloader/releases/tag/v.5.3.0

Affected products

Product	Affected versions	Fixed in
phoenixthrush AniWorld Downloader	v < 5.3.0	5.3.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.