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 u...
- Published
- Updated
- Exploit status
- Exploited in the wild (confirmed)
Description
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 Known Exploited Vulnerability
- Date added
- 2026-11-10
- Due date (FCEB)
- 2026-11-24
- Ransomware use
- Unknown
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Openwave Messaging (Ireland) Limited Webtop Media Transcoder | < 1.1.22.0 | 1.1.22.0 |
| openwave webtop media transcoder | < 1.1.22.0 | 1.1.22.0 |
References
- openwave.ai product
- github.com third-party-advisory
- jvn.jp third-party-advisory
- www.cisa.gov government-resource us-government-resource