Incomplete Authentication Bypass in WWBN AVideo Web Application
CVE-2026-84483

6.9MEDIUM

Key Information:

Vendor

Wwbn

Status
Avideo
Vendor
CVE Published:
1 September 2026

What is CVE-2026-84483?

AVideo, developed by WWBN, has a significant vulnerability due to an incomplete authentication bypass located in 'encryptPass.json.php'. This flaw enables unauthenticated attackers to generate valid HMAC tokens by leveraging the public site URL and the current time. By exploiting this issue, attackers are able to forge authentication tokens, allowing them to execute offline precomputation attacks against hashed password databases. This vulnerability poses a serious risk to the security of user accounts and data integrity within the application.

Affected Version(s)

AVideo 0 <= 9c39d8c8b4c1f75540788d6b391740852ceb0732

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-q...
vendor-advisory
https://www.vulncheck.com/advisories/wwbn-avideo-unauthen...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

santhreal
.