Vulnerability · Published Feb 19, 2026 · Assigned by NCSC-FI
CVE-2026-2731Unauthenticated RCE in Dynamicweb 9 and Dynamicweb 8
Critical 10.0
In plain English
A critical-severity path traversal in DynamicWeb 9 from DynamicWeb. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Severity (CVSS 4.0)10.0Critical
Exploit odds (30 days)0.6%top 51.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| DynamicWeb | DynamicWeb 9 | 89 – before 9.19.79.20.0 – before 9.20.3 |
Weakness: CWE-22 · 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