Vulnerability · Published May 6, 2026 · Assigned by WatchGuard
CVE-2026-6787Usage of a hard-coded cryptographic key in WatchGuard Agent allows inclusion of code into existing process
High 8.5
In plain English
A high-severity security flaw in WatchGuard Agent from WatchGuard. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 4.0)8.5High
Exploit odds (30 days)0.1%top 98.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Use of Hard-coded Cryptographic Key vulnerability in WatchGuard Agent on Windows allows Inclusion of Code in Existing Process.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WatchGuard | WatchGuard Agent | 1.0.0.0 – before 1.25.03.0000 |
Weakness: CWE-321 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://psirt.watchguard.com/CVE-2026-6787 vendor-advisory
- https://www.watchguard.com/wgrd-psirt/advisory/WGSA-2026-00013 vendor-advisory