RCE in Idachev Mcp-Javadc
CVE-2026-5802
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.021 (81.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.021 · change: +0.003
Affected products
- Idachev Mcp-Javadc — versions 1.2.0, 1.2.1, 1.2.2
Weakness classification (CWE)
References
- vuldb.com/vuln/356241 (technical-description, vdb-entry)
- vuldb.com/vuln/356241/cti (signature, permissions-required)
- vuldb.com/submit/786974 (third-party-advisory)
- github.com/idachev/mcp-javadc/issues/7 (issue-tracking)
- github.com/BruceJqs/public_exp/issues/2 (issue-tracking, exploit)
- github.com/idachev/mcp-javadc/ (product)
Frequently asked questions
- What is CVE-2026-5802?
- CVE-2026-5802 is a high-severity vulnerability in Idachev Mcp-Javadc, classified under Command Injection. CVSS score: 7.3/10. Published 2026-04-08.
- How severe is CVE-2026-5802?
- High severity. CVSS v3 base score is 7.3 out of 10.