CVE-2026-18696
An attacker can exploit multiple vulnerabilities in MongoDB to bypass security measures, conduct a denial of service attack, disclose information, manipulate files, and execute arbitrary code.
CSIRTS triage
- What
- Multiple critical vulnerabilities enable authentication bypass, denial of service, information disclosure, file manipulation, and remote code execution.
- Who is affected
- All MongoDB deployments are at risk from multiple attack vectors including remote code execution.
- Urgency
- Critical; multiple severe classes including unauthenticated RCE require immediate remediation.
- Action
- Update MongoDB to the latest patched version immediately and review network access controls.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
Advisory coverage (3)
- unknownMongoDB Multiple Vulnerabilitieshkcert · 2026-08-13
- high[NEW] [high] MongoDB: Multiple Vulnerabilitiescert-bund · 2026-08-12
- mediumCVE-2026-18696: An issue in MongoDB Server's applyOps command could allow an authenticated user with specific …nvd · 2026-08-11
External references
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[](https://www.csirts.com/cve/CVE-2026-18696)