PT-2026-31446 · Idachev · Mcp-Javadc

Brucejin · Published 2026-04-08 · Updated 2026-04-08 · CVE-2026-5802

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions idachev mcp-javadc versions up to 1.2.4

Description A flaw exists in the HTTP Interface component of idachev mcp-javadc, potentially allowing remote attackers to execute operating system commands. Manipulation of the jarFilePath argument within an unknown function can lead to OS command injection. The exploit is publicly available.

Recommendations Update to a version beyond 1.2.4.

Exploit

Fix

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-5802

Affected Products

Mcp-Javadc

References · 8

• 🔥 https://github.com/BruceJqs/public_exp/issues/2 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5802 · Security Note
• https://github.com/idachev/mcp-javadc/issues/7 · Note
• https://vuldb.com/vuln/356241 · Note
• https://twitter.com/VulmonFeeds/status/2041978067510235392 · Twitter Post
• https://vuldb.com/vuln/356241/cti · Note
• https://github.com/idachev/mcp-javadc · Note
• https://vuldb.com/submit/786974 · Note