An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate… (CVE-2026-18707)
A vulnerability in MongoDB Server allows an authenticated user, even without assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially crafted aggregation command. This results in a denial of service condition. The issue is identified as CVE-2026-18707 and has a moderate severity rating with a CVSS score of 4.3. No patch or remediation information is currently provided.
AI Analysis
Technical Summary
CVE-2026-18707 describes a denial of service vulnerability in MongoDB Server where an authenticated user, including those with no privileges, can cause the server to crash by sending a specially formed aggregation command. This vulnerability is categorized under CWE-617 (Reachable Assertion). The CVSS 3.1 vector indicates network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, and availability impact only.
Potential Impact
An attacker with authentication access to the MongoDB Server can cause the server process to terminate unexpectedly, leading to denial of service. There is no impact on confidentiality or integrity according to the CVSS vector. This could disrupt availability of the database service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is currently available. Until a patch is released, monitoring for unusual aggregation commands and restricting authenticated user access may help reduce risk.
An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate… (CVE-2026-18707)
Description
A vulnerability in MongoDB Server allows an authenticated user, even without assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially crafted aggregation command. This results in a denial of service condition. The issue is identified as CVE-2026-18707 and has a moderate severity rating with a CVSS score of 4.3. No patch or remediation information is currently provided.
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18707 describes a denial of service vulnerability in MongoDB Server where an authenticated user, including those with no privileges, can cause the server to crash by sending a specially formed aggregation command. This vulnerability is categorized under CWE-617 (Reachable Assertion). The CVSS 3.1 vector indicates network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, and availability impact only.
Potential Impact
An attacker with authentication access to the MongoDB Server can cause the server process to terminate unexpectedly, leading to denial of service. There is no impact on confidentiality or integrity according to the CVSS vector. This could disrupt availability of the database service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is currently available. Until a patch is released, monitoring for unusual aggregation commands and restricting authenticated user access may help reduce risk.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-4jx5-7652-w3ch
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-18707"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a7c9b71bf8831d539ce0565
Added to database: 08/12/2026, 16:12:33 UTC
Last enriched: 08/12/2026, 17:26:39 UTC
Last updated: 08/13/2026, 03:41:00 UTC
Views: 3
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