CVE-2026-115253 WatchGuard Agent - Broken Access Control

WatchGuard Agent contains an incorrect permission assignment vulnerability in the log directory, letting local authenticated non-administrative users tamper with log files and place executable content, exploit requires local authenticated user.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.10% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
22 October 2026
Updated
23 October 2026
Weakness
CWE-276

Vendor fix

Update to the latest version with corrected permission assignments.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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