๐Ÿ” CVE Alert

CVE-2026-12254

UNKNOWN 0.0

Netskope Client Captive Portal WebView Persistence allowing SWG bypass issue

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-613
Vendor netskope inc.
Product netskope client
Published Oct 19, 2026
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Affected Versions

Netskope Inc. / Netskope Client
0 < 142

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
netskope.com: https://www.netskope.com/resources/netskope-resources/netskope-security-advisory-nskpsa-2026-004

Credits

Loรฏc Croche (Independant security researcher)