What is CVE-2026-111793?
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.
The record classifies CVE-2026-111793 under weakness class CWE-669. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 26 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 4.3 — MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - EPSS (FIRST)
- 0.2% probability of exploitation in the next 30 days, higher than 19.9% of all scored CVEs
- CISA KEV
- Listed since 2026-11-10, federal remediation deadline 2026-11-24
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2026-10-16
Is CVE-2026-111793 being exploited?
CISA added CVE-2026-111793 to the Known Exploited Vulnerabilities catalog on 2026-11-10, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-11-24 under BOD 22-01. It currently carries a trending score of 43 in the Threadlinqs vulnerability feed.
Affected products and versions
- Openwave Messaging (Ireland) Limited: Webtop Media Transcoder
How to fix CVE-2026-111793
Because CVE-2026-111793 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-11-24. No vendor patch reference has been recorded for CVE-2026-111793 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-111793
1 tracked threat in the Threadlinqs corpus references CVE-2026-111793, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, GitHub Security Advisories. This product uses the NVD API but is not endorsed or certified by the NVD.