High severity7.5NVD Advisory· Published Jun 19, 2020· Updated Jun 17, 2026
CVE-2019-20863
CVE-2019-20863
Description
An issue was discovered in Mattermost Server before 5.13.0. Incoming webhook creation is not properly restricted.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Mattermost/Serverdescription
<5.13.0+ 1 more
- (no CPE)range: <5.13.0
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: <5.13.0
Patches
Vulnerability mechanics
References
1- mattermost.com/security-updates/nvdVendor Advisory
News mentions
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