What is CVE-2026-86102?
An OS command injection vulnerability in the WatchGuard AP internal API service allows an attacker with network access to the AP to execute arbitrary shell commands on the underlying operating system.
The record classifies CVE-2026-86102 under weakness classes CWE-78, CWE-863. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 26 days ago.
Severity and exploitation probability
- CVSS v4.0 base score
- 9.3 — Critical (derived from score)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - EPSS (FIRST)
- 1.9% probability of exploitation in the next 30 days, higher than 79.9% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 7.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-09-28
Is CVE-2026-86102 being exploited?
It currently carries a trending score of 52 in the Threadlinqs vulnerability feed.
Affected products and versions
- WatchGuard: AP
How to fix CVE-2026-86102
No vendor patch reference has been recorded for CVE-2026-86102 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-86102
1 tracked threat in the Threadlinqs corpus references CVE-2026-86102, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on .