CVE-2026-121640 Details
Description
An Authentication Bypass by Capture-replay vulnerability in WatchGuard AuthPoint Gateway allows an attacker who has observed a legitimate request between AuthPoint Gateway components to replay it and perform unauthorized administrative actions, including disrupting authentication services.
A vulnerability allowing authentication bypass through capture-replay has been identified in WatchGuard AuthPoint Gateway versions 1.0 prior to 7.6.0. This vulnerability allows an attacker who has observed a legitimate request between AuthPoint Gateway components to replay it, enabling unauthorized administrative actions and potentially disrupting authentication services.
Users can upgrade to WatchGuard AuthPoint Authentication Gateway version 7.6.0 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Nov 4, 2026CISA-ADP
Assessed Nov 4, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://psirt.watchguard.com/CVE-2026-121640 | WatchGuard Technologies, Inc. | AdvisoryRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-294 | Authentication Bypass by Capture-replay | WatchGuard Technologies, Inc. |
Affected Products
| Product | Versions |
|---|---|
| WatchGuard AuthPoint Gateway | >= 1.0, < 7.6.0 |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 4, 2026 | CVE Modified | CISA-ADP |
| Nov 4, 2026 | New CVE Received | WatchGuard Technologies, Inc. |