CVE-2026-111793

Unrestricted Media Conversion via Bypassed File Type Restrictions in Openwave Webtop

Published Oct 16, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Openwave
Openwave webtop Media Transcoder
CPEs cpe:2.3:a:openwave:webtop_media_transcoder:*:*:*:*:*:*:*:*
Vendors & Products Openwave
Openwave webtop Media Transcoder
Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-11-10T00:00:00+00:00', 'dueDate': '2026-11-24T00:00:00+00:00'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Openwave Messaging
Openwave Messaging webtop Media Transcoder
Vendors & Products Openwave Messaging
Openwave Messaging webtop Media Transcoder
Type Values Removed Values Added
Title Unrestricted Media Conversion via Bypassed File Type Restrictions in Openwave Webtop
Type Values Removed Values Added
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.
Weaknesses CWE-669
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 11, 2026, 4:55 AM
Reserved
Oct 16, 2026, 6:28 PM
Status
Analyzed
Published
Oct 16, 2026, 7:17 PM
Modified
Nov 11, 2026, 5:19 AM