Vulnerability · Published Apr 8, 2026 · Assigned by VulDB
CVE-2026-5802idachev mcp-javadc HTTP os command injection
High 7.3
In plain English
A high-severity OS command injection in mcp-javadc from idachev. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities).
Official description
A vulnerability was identified in idachev mcp-javadc up to 1.2.4. Impacted is an unknown function of the component HTTP Interface. Such manipulation of the argument jarFilePath leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| idachev | mcp-javadc | 1.2.01.2.11.2.21.2.31.2.4 |
Weakness: CWE-78, CWE-77 · 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
- VDB-356241 | idachev mcp-javadc HTTP os command injection vdb-entry, technical-description
- VDB-356241 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #786974 | idachev @idachev/mcp-javadc 1.2.4 Command Injection third-party-advisory
- https://github.com/idachev/mcp-javadc/issues/7 issue-tracking
- https://github.com/BruceJqs/public_exp/issues/2 exploit, issue-tracking
- https://github.com/idachev/mcp-javadc/ product