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CVE-2026-111793

Openwave Messaging Limited Webtop Media Transcoder•MEDIUM · CVSS 4.3• In the wild In CISA KEV

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.

CVSS4.3 NVD 3.1
SeverityMEDIUM
Exploitation In the wild In CISA KEV
EPSS<1% · P20
Triage statusActive Exploit
ActionPatch immediately
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWECWE-669
NVD published2026-10-16
NVD last modified2026-11-11

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

Added to KEV2026-11-10
Federal patch deadline2026-11-24
Known ransomware useUnknown

Affected product

Openwave Messaging Limited Webtop Media Transcoder

Remediation Steps

  1. Apply the vendor security update for Openwave Messaging Limited Webtop Media Transcoder as a priority.
  2. Restrict network exposure of the affected service to trusted sources until patched.
  3. Review logs and detections for indicators of exploitation.
  4. Confirm fixed versions against the official vendor advisory before deploying.

Referenced in our briefings & reports

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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.