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CVE Vulnerability Details :
CVE-2026-2731
PUBLISHED
More InfoOfficial Page
Assigner-NCSC-FI
Assigner Org ID-db4dfee8-a97e-4877-bfae-eba6d14a2166
View Known Exploited Vulnerability (KEV) details
Published At-19 Feb, 2026 | 06:46
Updated At-19 Feb, 2026 | 21:21
Rejected At-
▼CVE Numbering Authority (CNA)
Unauthenticated RCE in Dynamicweb 9 and Dynamicweb 8

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

Affected Products
Vendor
DynamicWeb
Product
DynamicWeb 9
Modules
  • JobRunnerBackground.aspx
Platforms
  • Windows
Default Status
unknown
Versions
Affected
  • 8
  • From 9 before 9.19.7 (custom)
  • From 9.20.0 before 9.20.3 (custom)
Unaffected
  • 9.21.0
  • 10
Problem Types
TypeCWE IDDescription
CWECWE-22CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Type: CWE
CWE ID: CWE-22
Description: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Metrics
VersionBase scoreBase severityVector
4.010.0CRITICAL
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
Version: 4.0
Base score: 10.0
Base severity: CRITICAL
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-650CAPEC-650 Upload a Web Shell to a Web Server
CAPEC ID: CAPEC-650
Description: CAPEC-650 Upload a Web Shell to a Web Server
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Jonas Vestberg, Reversec Sweden AB
Timeline
EventDate
Vulnerability reported to vendor.2026-01-15 23:00:00
Vendor confirmed the vulnerability.2026-01-15 23:00:00
Vendor released a fix version of the product and published security advisory.2026-01-18 23:00:00
Event: Vulnerability reported to vendor.
Date: 2026-01-15 23:00:00
Event: Vendor confirmed the vulnerability.
Date: 2026-01-15 23:00:00
Event: Vendor released a fix version of the product and published security advisory.
Date: 2026-01-18 23:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
https://doc.dynamicweb.dev/documentation/fundamentals/dw10release/security-reports.html#january-19th-2026---unauthenticated-rce-dynamicweb-9-and-dynamicweb-8
N/A
Hyperlink: https://doc.dynamicweb.dev/documentation/fundamentals/dw10release/security-reports.html#january-19th-2026---unauthenticated-rce-dynamicweb-9-and-dynamicweb-8
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found