CVE-2026-82064
highA security issue in MongoDB Server allows an unauthenticated network user to cause a denial of service on a specific type of replica set member.
Vendor / product: Mongodb — mongodb
A security issue in MongoDB Server allows an unauthenticated network user to cause a denial of service on a specific type of replica set member. The server contains an assertion in its read concern processing logic that can be reached without authentication, and the assertion's assumptions about internal state do not hold for all member configurations, causing the server process to terminate.
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (cna@mongodb.com)
Timeline (UTC)
Published: 2026-09-08 17:18
Modified: 2026-09-16 20:37
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-27 06:51 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
mongodb / mongodb ≥7.0.0 <7.0.41, ≥8.0.0 <8.0.30, ≥8.3.0 <8.3.9
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://jira.mongodb.org/browse/SERVER-130759
References
- https://jira.mongodb.org/browse/SERVER-130759 cna@mongodb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:51 UTC · record ↗