CVE-2026-12254
Netskope Client Captive Portal WebView Persistence allowing SWG bypass issue
- State
- Published
- Severity
- 6.4 Medium
- Published
- Oct 19, 2026
- Updated
- Oct 21, 2026
- Reserved
- Jun 15, 2026
Description
Netskope is notified about a potential gap in its agent (NSClient) where a system with Netskope Client while connecting to an access point with Captive Portal switches to a Network which already has internet connectivity, the Captive Portal does not close. This allows the possibility of abuse via the Captive Portal using a rogue access point to either access malicious sites or exfiltrate data.The issue impacts all versions prior to R142
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.4 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H | Netskope |
Weaknesses
- CWE-613 Insufficient session expiration
Affected Products
| Product | Versions |
|---|---|
Netskope ClientNetskope Inc. |
|
References
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