CVE-2026-115495 | BDVDB-2026-396405 Detail

WatchGuardMobile VPN with SSL Client

Description#

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.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact none, availability impact none. Attack vector: local.

Weaknesses#

CWE-319 Cleartext Transmission of Sensitive Information

References#

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

Exploit#

No public exploit known

History#

Version 12026-10-27Record published in the CVE List.
Version 22026-11-04Most recent update recorded in the CVE List.

Published

Published: 2026-10-27
Last modified: 2026-11-04

Vendor information

Vendor: WatchGuard
Product: Mobile VPN with SSL Client

All WatchGuard vulnerabilities

Score

5.7 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 0.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 12.0 and < 2026.4
Fixed
2026.4

Scoring System

CVSS v4.0

5.7 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Attack Requirements	Present
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).