Vulnerability Intelligence Report
Openwave Messaging Limited Webtop Media Transcoder Incorrect Resource Transfer Between Spheres Vulnerability
CVE-2026-111793
Openwave Webtop Media Transcoder does not enforce administrator-defined file type restrictions to restrict the file-types to be converted. This may allow an authenticated user to process and convert unintended document types if bypassing the Webmail experience.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
4.3
MEDIUM
Exploitability:2.9
Impact Score:1.5
EPSS Probability:0.27%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-669 ↗CWE-669 Incorrect Resource Transfer Between Spheres
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Openwave Messaging (Ireland) Limited | Webtop Media Transcoder | 0 < 1.1.22.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2026-10-16T18:28:09 |
| Published | 2026-10-16T18:28:10 |
| Last Updated | 2026-11-10T20:58:23 |
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