CVE-2026-8758

MEDIUM EPSS 19.5%

Published May 17, 20261mo ago · Modified Jun 17, 20261w ago

5.5 CVSS 4.0

Medium

Published May 17, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was determined in Metasoft 美特软件 MetaCRM up to 6.4.0 Beta06. This impacts an unknown function of the file /common/jsp/upload3.jsp. Executing a manipulation of the argument File can lead to unrestricted upload. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

Base Score

5.5

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

19.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-284

CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

References 4

ucn9h68n9289.feishu.cn https://ucn9h68n9289.feishu.cn/wiki/XmoNwpJjJiQrBtkLMitccF56ntb
vuldb.com https://vuldb.com/submit/811283
vuldb.com https://vuldb.com/vuln/364385
vuldb.com https://vuldb.com/vuln/364385/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.