CVE-2026-108580 AniWorld Downloader before 5.3.0 WebUI Login Brute Force via /login
Attackers can brute-force WebUI login credentials due to missing rate limiting, leading to account takeover in AniWorld Downloader.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108580?
CVE-2026-108580 is a medium-severity authentication bypass vulnerability in phoenixthrush AniWorld Downloader, published on 10 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-307
Which versions are affected by CVE-2026-108580?
How do I fix CVE-2026-108580?
No fix has been published for CVE-2026-108580 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-108580 being exploited?
There is no known exploitation of CVE-2026-108580 in the wild and no public exploit code.
Sources
Also known as GHSA-cwhp-rxhr-43pp.