CVE-2026-12254: Netskope Client Captive Portal WebView Persistence allowing SWG bypass issue
Netskope Inc. · Netskope Client
Vendor fix available · Affected: Netskope Inc. Netskope Client · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 24% of scored CVEs
DescriptionCVE.org
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
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Netskope Inc. · Netskope Clientbefore 142
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- CWE-613 · Authentication
- Vendor
- Netskope Inc.
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-12254 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.