Quick answers
- Is CVE-2026-111793 exploited in the wild?
- Yes. CVE-2026-111793 is known to be exploited in the wild, first recorded on 10 November 2026. Treat it as urgent.
- How severe is CVE-2026-111793?
- Critical severity, with a CVSS score of 4.3, published 16 October 2026.
- Which products and versions are affected?
- Openwave Webtop Media Transcoder prior to 1.1.22.0.
- Is there a fix for CVE-2026-111793?
- Yes: fixed in 1.1.22.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-111793 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-111793?
- Check whether you run Openwave Webtop Media Transcoder or Openwave Messaging Limited Webtop Media Transcoder at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 1.1.22.0
Technical details
The Media Transcoder fails to enforce server-side validation of administrator-configured file type restrictions when processing conversion requests. An authenticated attacker can bypass webmail UI controls to submit requests for conversion of file types outside the allowlist, gaining the ability to process restricted document types through direct API access.
Affected products
- Openwave Webtop Media Transcoder prior to 1.1.22.0
Timeline
- 2026-10-07: disclosed
- 2026-10-16: advisory