Moderate severityNVD Advisory· Published Oct 16, 2025· Updated Oct 16, 2025
Slack import bypasses email verification for team access controls
CVE-2025-41410
Description
Mattermost versions 10.10.x <= 10.10.2, 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions
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/v8Go | < 8.0.0-20250822083415-01b95392a450 | 8.0.0-20250822083415-01b95392a450 |
github.com/mattermost/mattermost-serverGo | >= 10.10.0, < 10.10.3 | 10.10.3 |
github.com/mattermost/mattermost-serverGo | >= 10.5.0, < 10.5.11 | 10.5.11 |
github.com/mattermost/mattermost-serverGo | >= 10.11.0, < 10.11.3 | 10.11.3 |
Affected products
4- ghsa-coords3 versionspkg:golang/github.com/mattermost/mattermost-serverpkg:golang/github.com/mattermost/mattermost/server/v8pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Tumbleweed
>= 10.10.0, < 10.10.3+ 2 more
- (no CPE)range: >= 10.10.0, < 10.10.3
- (no CPE)range: < 8.0.0-20250822083415-01b95392a450
- (no CPE)range: < 0.0.20251105T184115-1.1
- Range: 10.10.0
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-3q4q-wqm6-hvf3ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-41410ghsaADVISORY
- github.com/mattermost/mattermost/commit/01b95392a450676407475596d1c041a047067329ghsaWEB
- github.com/mattermost/mattermost/commit/0d6e8fa2e4681a172a136db18001104a57f9c28eghsaWEB
- github.com/mattermost/mattermost/commit/ef896a4ea60cacbe03124106e1f42e5c25276427ghsaWEB
- mattermost.com/security-updatesghsaWEB
News mentions
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