CVE-2026-2731

Unauthenticated RCE in Dynamicweb 9 and Dynamicweb 8

State: Published
Severity: 10.0 Critical
Published: Feb 19, 2026
Updated: Feb 19, 2026
Reserved: Feb 19, 2026

Description

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

Scores

CVSS	Score	Vector	Source
4.0	10.0 Critical	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	NCSC-FI

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
DynamicWeb 9DynamicWeb	8Affected 9 to before 9.19.7Affected 9.20.0 to before 9.20.3Affected 9.21.0Not affected 10Not affected

References

https://doc.dynamicweb.dev/documentation/fundamentals/dw10release/security-reports.html#january-19th-2026---unauthenticated-rce-dynamicweb-9-and-dynamicweb-8

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