CVE-2026-5802 | idachev mcp-javadc up to 1.2.4 HTTP Interface jarFilePath os command injection

VDB-356241 · CVE-2026-5802 · GCVE-100-356241 IDACHEV MCP-JAVADC UP TO 1.2.4 HTTP INTERFACE JARFILEPATH OS COMMAND INJECTION HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability marked as critical has been reported in idachev mcp-javadc up to 1.2.4. The affected element is an unknown function of the component HTTP Interface. Performing a manipulation of the argument jarFilePath results in os command injection. This vulnerability is identified as CVE-2026-5802. The attack can be initiated remotely. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has not responded yet. Detailsinfo A vulnerability, which was classified as critical, was found in idachev mcp-javadc up to 1.2.4. This affects an unknown code of the component HTTP Interface. The manipulation of the argument jarFilePath with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-5802. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue. The exploit is shared for download at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Artificial Intelligence Software Vendor idachev Name mcp-javadc Version 1.2.0 1.2.1 1.2.2 1.2.3 1.2.4 Website Product: https://github.com/idachev/mcp-javadc/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.3 VulDB Meta Temp Score: 6.6 VulDB Base Score: 7.3 VulDB Temp Score: 6.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Os command injection CWE: CWE-78 / CWE-77 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/08/2026 Advisory disclosed 04/08/2026 +0 days VulDB entry created 04/08/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: github.com Status: Not defined CVE: CVE-2026-5802 (🔒) GCVE (CVE): GCVE-0-2026-5802 GCVE (VulDB): GCVE-100-356241 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/08/2026 16:34 Changes: 04/08/2026 16:34 (57) Complete: 🔍 Submitter: BruceJin Cache ID: 99:AA2:101 Submitinfo Accepted Submit #786974: idachev @idachev/mcp-javadc 1.2.4 Command Injection (by BruceJin) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸