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Medium severity4.3NVD Advisory· Published Jun 19, 2020· Updated Jun 17, 2026

CVE-2019-20887

CVE-2019-20887

Description

An issue was discovered in Mattermost Server before 5.7.1, 5.6.4, 5.5.3, and 4.10.6. It does not honor flags API permissions when deciding whether a user can receive intra-team posts.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Mattermost/Mattermost2 versions
    cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: <4.10.6
    • (no CPE)range: <5.7.1, <5.6.4, <5.5.3, <4.10.6
  • Mattermost/Serverdescription

Patches

Vulnerability mechanics

References

1

News mentions

0

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