#VU122957 Deserialization of untrusted data in next-mdx-remote - CVE-2026-0969

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Main Vulnerability Database Vulnerabilities #VU122957

#VU122957 Deserialization of untrusted data in next-mdx-remote - CVE-2026-0969

Published: February 16, 2026


Vulnerability identifier: #VU122957
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-0969
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
next-mdx-remote
Software vendor:
HashiCorp

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted MDX content to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links