Leantime before 3.9.6 Unauthorized Plugin Installation via HTMX
Priority MEDIUM 64CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00528 44th percentileScored 2026-11-07
Fix Fixed leantime (Leantime): 3.9.6
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA leantime (Leantime) Fixed in 3.9.6
Timeline
- 2026-10-02 Threatist record created from CVE-2026-92772
- 2026-10-03 Alias added: GHSA-7j6f-xmpq-5jjm
References
More Leantime vulnerabilities
- TI-2026-71921 Missing authorization in Leantime lets users create admin accounts CVSS 3.1HIGH 8.8
- TI-2026-53555 Leantime JSON-RPC API contains a missing authorization vulnerability CVSS 3.1HIGH 8.8
- TI-2024-18279 Leantime 3.0.6 is vulnerable to Cross Site Request Forgery (CSRF). CVSS 3.1HIGH 8.8
- TI-2024-18354 Cross Site Scripting vulnerability in Leantime v3.0.6 allows attackers to execute… CVSS 3.1HIGH 7.6
- TI-2026-47171 Leantime all versions prior to and 3.6.2 Broken Access Control via tickets.getMilestone JSON-RPC CVSS 4.0HIGH 7.1
- TI-2024-18353 Cross Site Scripting vulnerability in Leantime 3.0.6 allows a remote attacker to execute… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2026-92772 · CVE Program
- CVE-2026-92772 · NVD
- FIRST EPSS
- GHSA-7j6f-xmpq-5jjm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences