CVE-2026-92772
Leantime before 3.9.6 Unauthorized Plugin Installation via HTMX
- State
- Published
- Severity
- 7.1 High
- Published
- Sep 16, 2026
- Updated
- Sep 17, 2026
- Reserved
- Sep 16, 2026
Description
Leantime before 3.9.6 contains an authorization bypass vulnerability in the HTMX plugin install endpoint that lacks permission validation. Authenticated users with limited roles can install marketplace plugins and control arbitrary properties including identifier, version, and license key to deploy malicious plugins.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
leantimeLeantime |
|
References
- GitHub Issue #3757issue-tracking
- https://github.com/Leantime/leantimeproduct
- install() carries no permission attributetechnical-description
- the marketplace UI controller restricts to owner and admintechnical-description
- buildMarketplacePluginFromRequest sets every supplied key with no allowlisttechnical-description
- 3.9.6 adds #[RequiresPermission(PluginsPermissions::MANAGE, global: true)]patch
- VulnCheck Advisory: Leantime before 3.9.6 Unauthorized Plugin Installation via HTMXthird-party-advisory
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