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Vulnerability · Published May 17, 2026 · Assigned by VulDB

CVE-2026-8758Metasoft 美特软件 MetaCRM upload3.jsp unrestricted upload

High 7.3

In plain English

A high-severity unrestricted file upload in MetaCRM from Metasoft 美特软件. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.3%top 79.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Metasoft 美特软件 MetaCRM 6.4.0 Beta06

Weakness: CWE-434, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References