CVE-2026-2731
Unauthenticated RCE in Dynamicweb 9 and Dynamicweb 8
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
INFO
Published Date :
Feb. 19, 2026, 7:17 a.m.
Last Modified :
Feb. 19, 2026, 3:52 p.m.
Remotely Exploit :
Yes !
Source :
db4dfee8-a97e-4877-bfae-eba6d14a2166
Affected Products
The following products are affected by CVE-2026-2731
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | CRITICAL | db4dfee8-a97e-4877-bfae-eba6d14a2166 | ||||
| CVSS 4.0 | CRITICAL | db4dfee8-a97e-4877-bfae-eba6d14a2166 |
Solution
- Update Dynamicweb to version 9.19.7 or later.
- Update Dynamicweb to version 9.20.3 or later.
- Apply vendor patches for affected versions.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-2731.
| URL | Resource |
|---|---|
| https://doc.dynamicweb.dev/documentation/fundamentals/dw10release/security-reports.html#january-19th-2026---unauthenticated-rce-dynamicweb-9-and-dynamicweb-8 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-2731 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-2731
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-2731 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2731 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by db4dfee8-a97e-4877-bfae-eba6d14a2166
Feb. 19, 2026
Action Type Old Value New Value Changed Description Path traversal and content injection in JobRunnerBackground.aspx in DymaicWeb 8 (all) and 9 (<9.19.7 and <9.20.3) allows unauthenticated attackers to execute code via simple web requests 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 -
New CVE Received by db4dfee8-a97e-4877-bfae-eba6d14a2166
Feb. 19, 2026
Action Type Old Value New Value Added Description Path traversal and content injection in JobRunnerBackground.aspx in DymaicWeb 8 (all) and 9 (<9.19.7 and <9.20.3) allows unauthenticated attackers to execute code via simple web requests Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-22 Added Reference https://doc.dynamicweb.dev/documentation/fundamentals/dw10release/security-reports.html#january-19th-2026---unauthenticated-rce-dynamicweb-9-and-dynamicweb-8