CVE-2026-13056 — MEDIUM (6.5)

Q: What is CVE-2026-13056?

CVE-2026-13056 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

Q: How severe is CVE-2026-13056?

CVE-2026-13056 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-13056?

Check the references section above for vendor advisories and patch information. Affected products include: Mongodb Mongodb.

Vulnerability 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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mongodb	Mongodb	>= 8.0.0, < 8.0.28

Related Weaknesses (CWE)

CWE-1325

References

https://jira.mongodb.org/browse/SERVER-124355Vendor AdvisoryIssue Tracking

FAQ

What is CVE-2026-13056?

CVE-2026-13056 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

How severe is CVE-2026-13056?

CVE-2026-13056 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-13056?

Check the references section above for vendor advisories and patch information. Affected products include: Mongodb Mongodb.