CVE-2017-18902 — Sensitive Information Exposure in Mattermost Mattermost-server

CWE-200 — Sensitive Information Exposure5 documents4 sources
Severity
5.3MEDIUMNVD
EPSS
0.2%
top 53.15%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Github.com Mattermost Mattermost-serverMattermost Server
Timeline
PublishedJun 19
Latest updateDec 8

Description

An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows attackers to discover team invite IDs via team API endpoints.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

▶NVDmattermost/mattermost_server4.0.0 — 4.0.4+1

🔴Vulnerability Details

4
OSV
Mattermost Server exposes team invite IDs through API endpoints in github.com/mattermost/mattermost-server↗2025-12-08
▶
OSV
Mattermost Server exposes team invite IDs through API endpoints↗2022-05-24
▶
GHSA
Mattermost Server exposes team invite IDs through API endpoints↗2022-05-24
▶
CVEList
CVE-2017-18902: An issue was discovered in Mattermost Server before 4↗2020-06-19
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CVE-2017-18902 — Sensitive Information Exposure | cvebase