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5.3
CSKefu MediaController Vulnerability Allows Remote Attack
CVE-2026-2556
Summary
A security flaw in CSKefu version 8.0.1 and earlier can let attackers trick the server into performing unauthorized actions. This could happen if a hacker sends a specially crafted request to the CSKefu server. We recommend updating to the latest version to fix this issue.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| cskefu | cskefu | <= 8.0.1 | – |
Original title
A security vulnerability has been detected in cskefu up to 8.0.1. This issue affects some unknown processing of the file com/cskefu/cc/controller/resource/MediaController.java of the component Endp...
Original description
A security vulnerability has been detected in cskefu up to 8.0.1. This issue affects some unknown processing of the file com/cskefu/cc/controller/resource/MediaController.java of the component Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
nvd CVSS2.0
6.5
nvd CVSS3.1
6.3
nvd CVSS4.0
5.3
Vulnerability type
CWE-918
Server-Side Request Forgery (SSRF)
- https://fx4tqqfvdw4.feishu.cn/docx/Vrs6dRx79ondtCxldz2cvupdnMe Exploit Third Party Advisory
- https://vuldb.com/?ctiid.346164 Permissions Required VDB Entry
- https://vuldb.com/?id.346164 Third Party Advisory VDB Entry
- https://vuldb.com/?submit.750708 Third Party Advisory VDB Entry
Published: 16 Feb 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026