🔥 On the fly · exploited in the wildUS federal deadline 2026-11-24Americano · 183°CmediumOn hold · status unknown
Openwave Webtop Media Transcoder: file type restrictions not enforced
Openwave Webtop Media Transcoder
Openwave Messaging Limited Webtop Media Transcoder contains an incorrect resource transfer between spheres vulnerability that may allow an authenticated user to process and convert unintended document types if bypassing the Webmail experience. Added to CISA KEV on 2026-11-10 (federal deadline 2026-11-24).
Binds US federal agencies under CISA BOD 26-04.
It is being exploited: check the advisory for a fix and restrict access to Webtop Media Transcoder meanwhile.
- First seen
- Last update
- Versions per the CVE record from mitre, not the vendor
- 1.1.22.0
- Identifiers
- CVSS
- 4.3
- KEV deadline
- 2026-11-24
- Source
- CISA KEV
Timeline
Reported by securityweek.com: Threat Actors Exploit Openwave, Cisco BroadWorks Vulnerabilities
First reported.
Receipt
- Exploitation
- Exploited: listed in CISA KEV
- CISA KEV “CVE-2026-111793 added to CISA KEV on 2026-11-10, federal deadline 2026-11-24.” source
- Checked by hand “Openwave Messaging advisory CAN-2026-2032674: "Webtop Media Transcoder does not enforce administrator-defined file type restrictions to restrict the file-types to be converted." The stored name joined the company name and the product.” source
- By release line, per the CVE record from mitre, not the vendor
Product Affected Version named Source Webtop Media Transcoder before 1.1.22.0 1.1.22.0 CVE record (CNA) per the CVE record from mitre, not the vendor checked - Score
- CVSS 4.3 (medium). CVSS 3.1 4.3 (CNA mitre) for CVE-2026-111793
- Last checked
Sources: KEV ✓ CVE record ✓ Vendor –
Sources
Totalone coffee