Authorization Bypass in SeaCMS Affected by Vulnerability
CVE-2026-82602

6.9MEDIUM

Key Information:

Vendor

SeaCMS

Status
Seacms
Vendor
CVE Published:
31 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82602?

A security vulnerability has been identified in SeaCMS versions up to 13.6, specifically in the unknown code located in the file /ass.php. This vulnerability allows attackers to bypass authorization controls, potentially giving them unauthorized access to certain functionalities. The flaw can be exploited remotely, leading to concerns about its misuse. The exploit has been publicly disclosed, making it imperative for users to take immediate action to secure their installations.

Affected Version(s)

SeaCMS 13.0

SeaCMS 13.1

SeaCMS 13.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-82602 - Proof of Concept

References

https://vuldb.com/vuln/397104
vdb-entry
https://vuldb.com/vuln/397104/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82602
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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

T-Chachamaru (VulDB User)
.