Critical 10.0Published Feb 19, 2026

CVE-2026-2731Unauthenticated RCE in Dynamicweb 9 and Dynamicweb 8

Updated under an hour ago (Oct 27, 2026, 1:40 PM ET)

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It affects DynamicWeb 9. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for DynamicWeb 9

Exploited in the last 30 days

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

CVSS: 10.0 CRITICAL (v4.0, CNA)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
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: NCSC-FI
NVD analysis: Deferred
Record last updated: Feb 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

DynamicWeb DynamicWeb 9 dynamicweb:9 (from the name)	8; from 9 before 9.19.7; from 9.20.0 before 9.20.3; 9.21.0 not affected; 10 not affected	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.