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CVE-2026-108580— AniWorld Downloader before 5.3.0 WebUI Login Brute Force via /login

Quick assessment

Affected
phoenixthrush AniWorld Downloader
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 AniWorld Downloader 5.3.0 之前的版本中，WebUI /login POST 处理程序存在身份验证尝试限制不当的漏洞，未认证的攻击者无需受到速率限制即可猜测密码。攻击者可通过 verify_user 响应的时序差异枚举用户名，并对暴露的 WebUI 实例暴力破解密码，从而接管用户账户。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force

Affected Version Matrix 1

VendorProduct Version RangeStatus
phoenixthrush AniWorld Downloader < 5.3.0 affected
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I. Basic Information for CVE-2026-108580

Vulnerability Information
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Vulnerability Title
AniWorld Downloader before 5.3.0 WebUI Login Brute Force via /login
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
phoenixthrush AniWorld Downloader 0 ~ 5.3.0 -

II. Public POCs for CVE-2026-108580

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-108580

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Patches & Fixes for CVE-2026-108580 (3)

Vendor Advisories for CVE-2026-108580 (1)

News Coverage for CVE-2026-108580 (1)

Other References for CVE-2026-108580 (1)

IV. Related Vulnerabilities

Same weakness: CWE-307

V. Comments for CVE-2026-108580

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