Illustration: CISA confirms exploitation of Openwave Webtop flaw
Openwave Messaging Limited Webtop Media… · Exploitation confirmed

CISA confirms exploitation of Openwave Webtop flaw

· 1 min read

CVE-2026-111793 allows an authenticated user to process and convert unintended document types by bypassing the webmail interface. CISA added the flaw to KEV and directs organizations to apply vendor mitigations.

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HighVulnerabilityExploitation confirmedFix unconfirmed
In this article
  1. For the technical team
  2. Timeline
  3. Sources

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For the technical team

CVE
CVE-2026-111793
Affected
Openwave Messaging Limited Webtop Media Transcoder
Exploitation
Exploitation confirmed
Fix
Fix unconfirmed

Timeline

  1. CISA confirmed exploitation and set a November 24, 2026 federal deadline.

Sources 1 source

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