CVE-2026-2557
Last modified
CVE-2026-2557 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A vulnerability was detected in cskefu up to 8.0.1. Impacted is the function Upload of the file com/cskefu/cc/controller/resource/MediaController.java of the component File Upload. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
A vulnerability was detected in cskefu up to 8.0.1. Impacted is the function Upload of the file com/cskefu/cc/controller/resource/MediaController.java of the component File Upload. The manipulation results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cskefu | Cskefu | <= 8.0.1 |
References
- https://fx4tqqfvdw4.feishu.cn/docx/ZqvtdTniToQMw0xZL94cTpuTnacExploit, Third Party Advisory
- https://vuldb.com/?ctiid.346165Permissions Required, VDB Entry
- https://vuldb.com/?id.346165Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.750729Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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