jira.mongodb.org
https://jira.mongodb.org/browse/SERVER-124355 CVE-2026-13056
HIGH
A user with read access can cause a DoS by executing a specifically crafted query to consume a large amount of RAM
Record summary
CVE-2026-13056 has a selected CVSS score of 7.1 (high).
Description
Using expressions that generate large arrays it is possible to craft a query that creates very large intermediate objects in memory, causing the server to crash with OOM error.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationNone
AutomatableNo
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Jul 23, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
MongoDB ServerBrowse MongoDB / MongoDB ServerDefault status: unaffected | CVE List | 8.0 to < 8.0.28 | affected |
| 8.3.0 to < 8.3.7 | affected |
References
2nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2026-13056