What is CVE-2026-13070?

CVE-2026-13070 is a medium-severity vulnerability in MongoDB, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2026-07-22.

How severe is CVE-2026-13070?

Medium severity. CVSS v3 base score is 5.3 out of 10.

NULL pointer dereference in MongoDB

CVE-2026-13070

A MongoDB server initiating an outbound TLS connection may terminate abnormally when processing a malformed OCSP response from a remote peer during the TLS handshake. OCSP stapling validation is enabled by default for outgoing TLS connections. Affected scenarios require the remote peer to hold a certificate issued by the cluster's trusted certificate authority, or for the connection to traverse an untrusted network path.

EPSS: 0.001 (3.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mongodb
Mongodb Server — versions 7.0, 8.0, 8.2.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cna@mongodb.com (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-13070?: CVE-2026-13070 is a medium-severity vulnerability in MongoDB, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2026-07-22.
How severe is CVE-2026-13070?: Medium severity. CVSS v3 base score is 5.3 out of 10.