SSRF in Cskefu
CVE-2026-2556
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (33.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Cskefu
- Cskefu — versions 8.0.0, 8.0.1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- fx4tqqfvdw4.feishu.cn/docx/Vrs6dRx79ondtCxldz2cvupdnMe (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-2556?
- CVE-2026-2556 is a medium-severity vulnerability in Cskefu, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-02-16.
- How severe is CVE-2026-2556?
- Medium severity. CVSS v3 base score is 6.3 out of 10.