CVE-2026-21643
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
94.1%
99.8th percentile
CISA KEV
Listed
Added 2026-04-13 · patch by 2026-04-16
Weakness / dates
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Published — · modified —
Timeline
- 2026-04-13 — Added to CISA KEV (actively exploited)
- 2026-04-16 — CISA patch-by deadline
Description
Fortinet FortiClient EMS contains a SQL injection vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests.