Dynamicweb 9.20.x < 9.20.3 Unauthenticated Remote Code Execution

critical Web App Scanning Plugin ID 115736

Synopsis

Dynamicweb 9.20.x < 9.20.3 Unauthenticated Remote Code Execution

Description

According to its self-reported version number, Dynamicweb is 8.x, 9.x prior to 9.19.6 or 9.20.x prior to 9.20.3. It is, therefore, affected by a path traversal and content injection vulnerability in JobRunnerBackground.aspx that allows unauthenticated attackers to execute code via simple web requests.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Dynamicweb version 9.20.3 or later, or apply the DynamicwebSoftware.Security.DevOps27005.dll hotfix.

See Also

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

Plugin Details

Severity: Critical

ID: 115736

Type: Version Based

Published: 10/28/2026

Updated: 10/28/2026

Scan Template: basic, full, pci, quick, scan

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.51

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-2731

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS Score Source: CVE-2026-2731

CVSS v4

Risk Factor: Critical

Base Score: 10

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

CVSS Score Source: CVE-2026-2731

Vulnerability Information

CPE: cpe:2.3:a:dynamicweb:dynamicweb:*:*:*:*:*:*:*:*

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/18/2026

Reference Information

CVE: CVE-2026-2731