CVE-2026-111793
Openwave Messaging (Ireland) Limited Webtop Media Transcoder
Published 16 Oct 2026 · updated 10 Nov 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 10 Nov 2026, with a remediation deadline of 24 Nov 2026 for US federal agencies.
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.
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.
References
- github.com/GISOpenwave/security-advisories-public/blob/main/CAN-2026-2032674.md · Third Party Advisory
- openwave.ai/ · Product
- jvn.jp/en/vu/JVNVU93403064/ · Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-111793 · US Government Resource