Quick answers
- Is CVE-2026-121639 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-121639 being exploited in the wild.
- How severe is CVE-2026-121639?
- Informational severity, published 4 November 2026.
- Which products and versions are affected?
- Watchguard AuthPoint Authentication Gateway before 7.6.0.
- Is there a fix for CVE-2026-121639?
- Yes: fixed in AuthPoint Authentication Gateway 7.6.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-121639 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-121639?
- Check whether you run Watchguard AuthPoint Authentication Gateway at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: AuthPoint Authentication Gateway 7.6.0
Technical details
Missing authentication for a critical function (CWE-306, CWE-287) allows remote unauthenticated attackers with network access to the AuthPoint Gateway host to invoke sensitive operations. The vulnerability affects deployments configured with LDAP or Active Directory providers. Attackers can disrupt authentication services and delete local directory synchronization configuration without valid credentials.
Affected products
- WatchGuard AuthPoint Authentication Gateway before 7.6.0
Timeline
- 2026-11-04: disclosed