CVE-2026-115495 PUBLISHED

Mobile VPN with SSL Client for Windows: Cleartext Transmission of VPN Credentials over Local Management Socket

Assigner: WatchGuard
Reserved: 22.10.2026 Published: 27.10.2026 Updated: 27.10.2026

Cleartext Transmission of Sensitive Information vulnerability in the WatchGuard Mobile VPN with SSL client for Windows allows a local attacker who can capture loopback traffic to obtain the user’s VPN username and password.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	WatchGuard
Product	Mobile VPN with SSL Client
Versions	Default: unaffected affected from 12.0 to 2026.4 (excl.)

Exploits

WatchGuard is not aware of any exploitation of this vulnerability in the wild.

Solutions

Fireware OS 2026.4

Credits

Discovered internally by WatchGuard finder

References

https://psirt.watchguard.com/CVE-2026-115495

Problem Types

CWE-319 CWE