CVE-2026-82056

MediumCVSS 5.3/10Last modified Sep 16, 2026

Description

A race condition in MongoDB server's text index query parsing can cause a heap use-after-free read when handling upsert retry paths. Under certain concurrent index lifecycle operations, a raw pointer to internal text index metadata may be dereferenced after the underlying structures have been freed, leading to a server crash. An authenticated user with readWrite privileges can trigger this condition through specific concurrent text-search and index management operations, resulting in denial of service for all connected clients. This

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
MongoDB	MongoDB Server	>= 8.3.0, < 8.3.9; >= 8.0.0, < 8.0.30; >= 7.0.0, < 7.0.41

References

https://jira.mongodb.org/browse/SERVER-130306Vendor Advisory, Issue Tracking

Timeline

Published: Sep 8, 2026
Last modified: Sep 16, 2026
NVD status: Analyzed

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