Critical severity · published Aug 25, 2026
CVE-2026-57909
WatchGuard Agent path traversal allows unauthenticated remote code execution
9.4
CVSS
0.4%
EPSS
No
On KEV
Description
A path traversal vulnerability in WatchGuard Agent allows a remote, unauthenticated attacker on an adjacent network to execute arbitrary code on an affected system.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
WatchGuard Agent · WatchGuard
before 1.25.13.0000 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57909
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57909
psirt.watchguard.com
https://psirt.watchguard.com/CVE-2026-57909
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