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CVE-2026-92772

Leantime before 3.9.6 Unauthorized Plugin Installation via HTMX

HIGH
7.1
CVSS Score
Published: September 16, 2026 at 08:32 PM UTC
Updated: September 17, 2026 at 03:16 PM UTC
1 product affected across 1 vendorLeantime

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Severity
HIGH7.1
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Leantime· Leantime
95%
v < 3.9.6
Affected range stops below 3.9.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (7)

Issue Tracking
Source: cverecord
https://github.com/Leantime/leantime/issues/3757
Product
Source: cverecord
https://github.com/Leantime/leantime
Technical Description
Source: cverecord
https://github.com/Leantime/leantime/blob/v3.9.5/app/Domain/Plugins/Hxcontrollers/Details.php#L25-L40
Technical Description
Source: cverecord
https://github.com/Leantime/leantime/blob/v3.9.5/app/Domain/Plugins/Controllers/Marketplace.php#L24
Technical Description
Source: cverecord
https://github.com/Leantime/leantime/blob/v3.9.5/app/Domain/Plugins/Services/Plugins.php#L546-L561
Patch
Source: cverecord
https://github.com/Leantime/leantime/blob/v3.9.6/app/Domain/Plugins/Hxcontrollers/Details.php#L27
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/leantime-before-3.9.6-unauthorized-plugin-installation-via-htmx

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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