Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-86187— WWBN AVideo Weak PRNG Password Generation via External Login

Quick assessment

Affected
WWBN AVideo
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.

WWBN AVideo是WWBN组织开源的一个视频分享与内容管理平台。 WWBN AVideo 29.0及之前版本存在加密问题漏洞，该漏洞源于使用rand()而非加密生成器生成外部登录账户密码，仅产生31位整数，且使用未加盐的MD5哈希，可能导致能够访问密码哈希的攻击者通过离线暴力破解恢复明文密码。

CVSS 5.9 · Medium EPSS 0.36% · P29

Affected Version Matrix 1

VendorProduct Version RangeStatus
WWBN AVideo ≤ 29.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-86187

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
WWBN AVideo Weak PRNG Password Generation via External Login
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo generates passwords for external-login accounts using rand() instead of a cryptographic generator, producing only 31-bit integers. Attackers with access to password hashes can recover plaintext passwords in minutes through offline brute-force attacks due to unsalted MD5-based hashing.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用不充分的随机数
Source: CVE Program / CVE List V5
Vulnerability Title
WWBN AVideo 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WWBN AVideo是WWBN组织开源的一个视频分享与内容管理平台。 WWBN AVideo 29.0及之前版本存在加密问题漏洞，该漏洞源于使用rand()而非加密生成器生成外部登录账户密码，仅产生31位整数，且使用未加盐的MD5哈希，可能导致能够访问密码哈希的攻击者通过离线暴力破解恢复明文密码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WWBN AVideo 0 ~ 29.0 -

II. Public POCs for CVE-2026-86187

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-86187

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-86187 (2)

Same Patch Batch · WWBN · 2026-09-05 · 5 CVEs total

CVE-2026-86189 9.8 CRITICAL WWBN AVideo Unauthenticated Path Traversal via notify.ffmpeg.json.php
CVE-2026-86190 9.1 CRITICAL WWBN AVideo Broken Access Control via videoViewsInfo hash Parameter
CVE-2026-86188 7.2 HIGH AVideo YPTSocket Plugin Unauthenticated Cross-Site Scripting
CVE-2026-86186 6.5 MEDIUM AVideo API Rate Limit Bypass via Bot User-Agent Header

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-330

V. Comments for CVE-2026-86187

No comments yet

Leave a comment