PT-2026-48303 · Mongodb · Mongodb

Daffainfo · CVE-2026-9753 · Published 2026-06-09 · Updated 2026-06-22

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

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

Description An issue exists in the $ internalApplyOplogUpdate aggregation pipeline stage where an authenticated user with access to the aggregate command can execute a document diff containing a malformed binary diff. This can result in memory out-of-bounds access or a server crash, leading to potential data exposure and Denial of Service (DoS), which is a condition where a service becomes unavailable to its intended users.

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

Exploit

DoS

Memory Corruption

Weakness Enumeration

CWE-787

CWE-1287

Related Identifiers

BIT-MONGODB-2026-9753

CVE-2026-9753

Affected Products

Mongodb

References · 10

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9753.json · Exploit
• https://osv.dev/vulnerability/BIT-mongodb-2026-9753 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-9753 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-9753 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-9753 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-9753 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-9753 · Security Note
• https://jira.mongodb.org/browse/SERVER-124959 · Vendor Advisory
• https://t.me/cveNotify/170355 · Telegram Post
• https://twitter.com/DFIR_Lab/status/2064881660567425249 · Twitter Post