PT-2026-7420 · Mongodb+1 · Mongodb+1

Published 2026-02-10 · Updated 2026-03-11 · CVE-2026-1847

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions MongoDB (affected versions not specified)

Description Inserting specific large documents into a replica set may cause secondary nodes to fail to retrieve the oplog from the primary node. This can halt replication within the replica set, potentially leading to server crashes.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

BDU:2026-03576

BIT-MONGODB-2026-1847

CVE-2026-1847

Affected Products

Mongodb

Red Os

References · 12

• https://bdu.fstec.ru/vul/2026-03576 · Security Note
• https://jira.mongodb.org/browse/SERVER-113532 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-1847 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-1847 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-1847 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-1847 · Security Note
• https://osv.dev/vulnerability/BIT-mongodb-2026-1847 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-1847 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2021357631978217542 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-1847 · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/uyazvimost-mongodb-org-cve-2026-1847-7.3 · Note
• https://redos.red-soft.ru/search/?iblock_id=24&q=CVE-2026-1847 · Note