Medium severity6.5NVD Advisory· Published Mar 31, 2023· Updated Jun 17, 2026
CVE-2023-1777
CVE-2023-1777
Description
Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/mattermost/mattermost-server/v6Go | >= 6.3.0, < 7.1.6 | 7.1.6 |
github.com/mattermost/mattermost-serverGo | >= 7.8.0, < 7.8.1 | 7.8.1 |
github.com/mattermost/mattermost-serverGo | >= 7.7.0, < 7.7.2 | 7.7.2 |
github.com/mattermost/mattermost-serverGo | >= 7.1.0, < 7.1.6 | 7.1.6 |
github.com/mattermost/mattermost-server/v6Go | >= 6.0.0-20211025164829-f7a8147b825c, < 6.0.0-20230301145909-10be118d99a5 | 6.0.0-20230301145909-10be118d99a5 |
github.com/mattermost/mattermost-serverGo | >= 1.4.1-0.20211025164829-f7a8147b825c, < 1.4.1-0.20230301145909-10be118d99a5 | 1.4.1-0.20230301145909-10be118d99a5 |
Affected products
76.3.0+ 3 more
- (no CPE)range: 6.3.0
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: <7.1.6
- cpe:2.3:a:mattermost:mattermost_server:7.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:7.8.0:*:*:*:*:*:*:*
- osv-coords3 versionspkg:bitnami/mattermostpkg:golang/github.com/mattermost/mattermost-server/v6pkg:golang/github.com/mattermost/mattermost-server
< 7.1.6+ 2 more
- (no CPE)range: < 7.1.6
- (no CPE)range: >= 6.3.0, < 7.1.6
- (no CPE)range: >= 7.8.0, < 7.8.1
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-3wq5-3f56-v5xcghsaADVISORY
- mattermost.com/security-updates/nvdVendor Advisory
- nvd.nist.gov/vuln/detail/CVE-2023-1777ghsaADVISORY
- github.com/mattermost/mattermost-serverghsaPACKAGE
- mattermost.com/security-updatesghsaWEB
News mentions
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