NULL pointer dereference in MongoDB Server - CVE-2026-13070
Published: August 18, 2026
Vulnerability identifier: #VU144113
CSH Severity: Medium
CVSS v4: 6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-13070
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to null pointer dereference in OCSP response processing during the outbound TLS handshake when handling a malformed OCSP response from a remote peer. A remote attacker can send a malformed OCSP response to cause a denial of service.
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.
Affected software
MongoDB Server
How to mitigate CVE-2026-13070
Install security update from vendor's website.
MongoDB Server - addressed in versions 7.0.39, 8.0.28, 8.2.12, 8.3.7