An issue was discovered in Zammad before 3.4.1. The global-search feature leaks Knowledge Base drafts to Knowledge Base readers (who are authenticated but have insufficient permissions).
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26031
Reference (s):
- https://zammad.com/news/security-advisory-zaa-2020-16