PT-2026-25937 · Mongodb+1 · Mongodb+1

CVE-2026-4358 · Published 2026-02-03 · Updated 2026-06-26

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description A specially crafted aggregation query utilizing the $lookup operator, submitted by an authenticated user possessing write privileges, can lead to a double-free or use-after-free memory issue within the slot-based execution (SBE) engine. This occurs when an in-memory hash table is written to disk. The SBE engine is susceptible to this issue when handling specific aggregation queries.

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

Exploit

DoS

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

BDU:2026-09654

BIT-MONGODB-2026-4358

CVE-2026-4358

Affected Products

Mongodb

Red Os

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4358.json · Exploit
• https://ubuntu.com/security/CVE-2026-4358 · Vendor Advisory
• https://jira.mongodb.org/browse/SERVER-118849 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-4358 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-4358 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mongodb-2026-4358 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-09654 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-4358 · Security Note
• https://osv.dev/vulnerability/CVE-2026-4358 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2034019859000906074 · Twitter Post
• https://redos.red-soft.ru/support/secure · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-4358 · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti-red-os-8-0/uyazvimost-mongodb-org-cve-2026-4358-8.0 · Note
• https://twitter.com/CVEnew/status/2033994236505559056 · Twitter Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/uyazvimost-mongodb-org-cve-2026-4358-7.3 · Note