Lenovo LanSchool Classic prior 9.3.1.30 uncontrolled search path
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 2.80 |
Summary
A vulnerability was found in Lenovo LanSchool Classic. It has been declared as problematic. Affected by this vulnerability is an unknown functionality. The manipulation results in uncontrolled search path. This vulnerability is cataloged as CVE-2026-8637. The attack must be initiated from a local position. There is no exploit available. It is recommended to upgrade the affected component.
Details
A vulnerability was found in Lenovo LanSchool Classic. It has been classified as critical. Affected is some unknown processing. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. CWE is classifying the issue as CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
A potential uncontrolled search path vulnerability was reported in the LanSchool Classic client application that could allow a local authenticated user to execute arbitrary code with elevated privileges.
The weakness was shared by Rafael Reis. The advisory is available at support.lenovo.com. This vulnerability is traded as CVE-2026-8637 since 05/14/2026. The exploitability is told to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.
Upgrading to version 9.3.1.30 eliminates this vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
License
Website
- Vendor: https://www.lenovo.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.8
CNA Vector (lenovo): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Uncontrolled search pathCWE: CWE-427 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: LanSchool Classic 9.3.1.30
Timeline
05/14/2026 CVE reserved06/10/2026 Advisory disclosed
06/10/2026 VulDB entry created
06/10/2026 VulDB entry last update
Sources
Vendor: lenovo.comAdvisory: support.lenovo.com
Researcher: Rafael Reis
Status: Confirmed
CVE: CVE-2026-8637 (🔒)
GCVE (CVE): GCVE-0-2026-8637
GCVE (VulDB): GCVE-100-370194
Entry
Created: 06/10/2026 17:22Changes: 06/10/2026 17:22 (75)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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