CVE-2026-42758
CWE-266Published: May 27, 2026· Updated: Jun 17, 2026
Official Description
Incorrect Privilege Assignment vulnerability in Saleswonder Team: Tobias WebinarIgnition webinar-ignition allows Privilege Escalation.This issue affects WebinarIgnition: from n/a through < 4.08.253.
Risk Analysis
This critical Incorrect Privilege Assignment vulnerability in Saleswonder Team: Tobias WebinarIgnition allows an unauthenticated, remote attacker to achieve Privilege Escalation. This could lead to complete compromise of confidentiality, integrity, and availability. The CVSS score of 9.8 indicates a severe risk, though there is no information on exploitation likelihood (EPSS) or confirmed exploitation (KEV).
No public exploit is currently known for this remotely exploitable vulnerability. Its low attack complexity suggests it could be relatively easy to exploit if a working exploit were developed.
Users of WebinarIgnition should update to version 4.08.253 or higher. Regularly review and enforce least privilege principles for all user accounts and applications.
Technical Analysis
CVE-2026-42758 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (1)
Quick Facts
Related CVEs (CWE-266)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-42758 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts