CVE-2026-2731 CRITICAL

CVE-2026-2731: Unauthenticated RCE in Dynamicweb 9 and Dynamicweb 8

Vendor Dynamicweb
Product DynamicWeb 9
Weakness CWE-22 · Path traversal
Published February 19, 2026
Last update February 19, 2026
View on NVD All CVEs

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

What the vulnerability does

01Description

Path traversal and content injection in JobRunnerBackground.aspx in DynamicWeb 8 (all) and 9 (<9.19.7 and <9.20.3) allows unauthenticated attackers to execute code via simple web requests

Key dates

02Disclosure timeline

February 19, 2026 CVE published
February 19, 2026 Record updated