What is 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.
Timeline
- 2026-10-16Published to the U.S. National Vulnerability Database (NVD)
- 2026-11-10Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
- 2026-11-11NVD record last updated
- 2026-11-24CISA federal remediation deadline (BOD 22-01)
CISA Known Exploited Vulnerability
Openwave Messaging Limited Webtop Media Transcoder Incorrect Resource Transfer Between Spheres Vulnerability
Affected product
Openwave Messaging Limited Webtop Media Transcoder
Remediation Steps
- Apply the vendor security update for Openwave Messaging Limited Webtop Media Transcoder as a priority.
- Restrict network exposure of the affected service to trusted sources until patched.
- Review logs and detections for indicators of exploitation.
- Confirm fixed versions against the official vendor advisory before deploying.
References
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 2 of November 2026 (November 9 – 15)
Related vulnerabilities
- CVE-2026-31431 – Linux Kernel (same weakness: CWE-669)
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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.