CISA adds six exploited vulnerabilities to its KEV catalog
Entries cover Cisco BroadWorks, Barracuda products, Outlook, and Chromium; FCEB agencies must prioritize them under BOD 26-04.
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CVE-2026-111793
File-type restriction bypass in Openwave Webtop Media Transcoder
CISA: Openwave Messaging Limited Webtop Media Transcoder Incorrect Resource Transfer Between Spheres Vulnerability
- CVSS 3.1
- 4.3 medium
- EPSS
- <1%p20
- Published
- ·
- Added to KEV
AI analysisSummaries by Vani AI
Openwave Webtop Media Transcoder does not enforce administrator-defined file-type restrictions on conversions. An authenticated user who bypasses the Webmail experience can process and convert unintended document types over the network, without further user interaction. Impact is limited to availability. Openwave Messaging Limited Webtop Media Transcoder is affected; exploited in the wild.
What to do: Apply mitigations per Openwave’s instructions for CVE-2026-111793, or discontinue use if mitigations are unavailable, following CISA BOD 26-04.
| Product | Affected |
|---|---|
| Openwave Messaging Limited Webtop Media Transcoder | — |
Estimated exposure
No basis for an estimate.
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Description · NVD
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.
KEVCISA Known Exploited Vulnerability
- Affected
- Openwave Messaging Limited Webtop Media Transcoder
- 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.
- Due date
- Ransomware use
- Unknown
- Vendors
- openwave
- Products
- webtop media transcoder
- Weakness
- CWE-669
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
In the news
2 storiesCISA adds Openwave Webtop Media Transcoder flaw to KEV (CVE-2026-111793)
An authenticated user who bypasses Webmail can process unintended document types; federal due date is November 24.
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