EUVD-2026-68311
GHSA-3jjw-3grj-m5gp
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-accessible with no prerequisites or user interaction; scope unchanged and impact limited to low confidentiality via paywall URL disclosure only.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
3DescriptionCVE.org
A security vulnerability has been detected in SeaCMS up to 13.6. This vulnerability affects unknown code of the file /ass.php. The manipulation leads to authorization bypass. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.
AnalysisAI
Unauthenticated remote attackers can bypass authorization controls in SeaCMS 13.6 via the /ass.php endpoint, disclosing premium or paywalled content URLs without valid subscription credentials. The vulnerability exploits CWE-639 (Authorization Bypass Through User-Controlled Key), an IDOR-class flaw where a user-supplied parameter determines access rights without server-side validation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The target must be running SeaCMS version 13.6 or earlier with the paywall or subscription-gated content feature active, and the `/ass.php` endpoint must be publicly reachable over the internet. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 6.9 (Medium) with supplemental E:P reflects easy remote exploitability but a narrow blast radius: the VC:L cap (low confidentiality on the vulnerable system) confirms this is a URL disclosure issue rather than code execution or credential theft. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patched version is confirmed in the available intelligence; neither the VulDB report nor the GitHub advisory cites an official fixed release from the SeaCMS project. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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