CVE-2026-2557

Name: CVE-2026-2557
Creator: NVD / NIST
Published: 2026-02-16T14:16:18.44+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2026-2557 is a low-severity vulnerability rated 2/10 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

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

2/10

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

EPSS Probability

0.22%

13.0th percentile

Probability of exploitation in the next 30 days. Learn more

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: Feb 16, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-2557?

How severe is CVE-2026-2557?

CVE-2026-2557 has a CVSS score of 2/10 (LOW severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2557?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-2557?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST