CVE-2026-111793
Updated
- CVSS 3.1
- 4.3 MEDIUM
- EPSS
- 0.6% (51st pct)
- CISA KEV
- Exploited
- Published
- 2026-10-16
- Weakness
- CWE-669
Openwave Messaging Limited Webtop Media Transcoder Incorrect Resource Transfer Between Spheres Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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.
CISA notes
https://github.com/GISOpenwave/security-advisories-public/blob/main/CAN-2026-2032674.md ; https://jvn.jp/en/vu/JVNVU93403064/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-111793
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.
Key Findings
as of 2026-11-12- CISA added CVE-2026-111793 to the KEV catalog 25 days after its CVE record was published. The median for entries added in 2026 so far is 12 days.
- Its current EPSS score (0.6%) is higher than that of 1% of CISA KEV entries.
Severity
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LOpen in CVSS calculator Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Openwave Messaging (Ireland) Limited | Openwave Messaging (Ireland) Limited Webtop Media Transcoder | 0 to <1.1.22.0 |
References
2 linksRecord Details
- Published
- 2026-10-16
- Last updated
- 2026-11-11
- Assigner (CNA)
- mitre
- Credited to
- -
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). Alert titles and links from CISA cybersecurity alerts. This site is not affiliated with or endorsed by MITRE, NVD, CISA, or FIRST.