CVE-2026-87969: watchguard watchguard ap OS Command Injection
CVSS: 8.6v4.0HighDeferred
Published 28-09-2026Last modified 28-09-2026
Vulnerability summary
CVE-2026-87969 is a high (CVSS 8.6) OS Command Injection vulnerability in watchguard watchguard ap. EPSS estimates a 1.20% chance of exploitation in the next 30 days, higher than 67.8% of scored vulnerabilities.
CVSS score
8.6/10
010
High · v4.0 (CVE.org)EPSS score
1.20%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 28-09-2026PublishedVulnerability first disclosed.
- 28-09-2026Last modifiedVulnerability information updated.
Description
An OS command injection vulnerability in the WatchGuard AP diagnostic CLI allows an authenticated administrator to execute arbitrary operating system commands by supplying crafted input.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.6Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST8.6HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
EPSS trend
Probability
1.20%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
29-09-202621-10-2026
EPSS score1.20%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Watchguard1 product
- watchguard ap≥ 1.0, < 3.4.8
1 vendor · 1 product
References
1 links- psirt.watchguard.com/CVE-2026-87969Vendor Advisory