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CVE-2026-21643

An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7.4.4 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:95325674feb1d9f5178c7df32e104e4a13876e3fc11a378b656f546d7101e02b
Known exploited
CISA KEV
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","product":"FortiClientEMS","vendor":"Fortinet","versions":[{"status":"affected","version":"7.4.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2382a5bf5d69258a4e93c0e8fa612a82648457c771f6466ddc3036b9cd7a6526 · sha256:b6cd313e46f1c45a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2382a5bf5d69258a4e93c0e8fa612a82648457c771f6466ddc3036b9cd7a6526 · sha256:b6cd313e46f1c45a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-89","description":"Execute unauthorized code or commands","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2382a5bf5d69258a4e93c0e8fa612a82648457c771f6466ddc3036b9cd7a6526 · sha256:b6cd313e46f1c45a… · /containers/cna/problemTypes/0/descriptions/0

Known exploitation assertions

2 source assertions
{"cwes":["CWE-89"],"dateAdded":"2026-04-13","dueDate":"2026-04-16","knownRansomwareCampaignUse":"Unknown","notes":"https://fortiguard.fortinet.com/psirt/FG-IR-25-1142 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21643","product":"FortiClient EMS","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"Fortinet FortiClient EMS contains a SQL injection vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands v…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:1d393fea3a5508829afcd5558cc9acd6b8f26c3073ac3ac81749efeb6d8bd55c · sha256:635dff916c4092c0… · /vulnerabilities/99
    Open source location →
{"cwes":["CWE-89"],"dateAdded":"2026-04-13","dueDate":"2026-04-16","knownRansomwareCampaignUse":"Unknown","notes":"https://fortiguard.fortinet.com/psirt/FG-IR-25-1142 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21643","product":"FortiClient EMS","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"Fortinet FortiClient EMS contains a SQL injection vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands v…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:b845bc53b7af0cd9f3c4b43f2c4510fc9dc2ca667f5f4dcfbcf626893d08ea75 · sha256:16acee8334e59e44… · /vulnerabilities/96
    Open source location →

Source references

3 source assertions
{"name":"https://fortiguard.fortinet.com/psirt/FG-IR-25-1142","url":"https://fortiguard.fortinet.com/psirt/FG-IR-25-1142"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2382a5bf5d69258a4e93c0e8fa612a82648457c771f6466ddc3036b9cd7a6526 · sha256:b6cd313e46f1c45a… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/0xBlackash/CVE-2026-21643/blob/main/cve-2026-21643.py"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2382a5bf5d69258a4e93c0e8fa612a82648457c771f6466ddc3036b9cd7a6526 · sha256:b6cd313e46f1c45a… · /containers/adp/0/references/0
{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21643"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2382a5bf5d69258a4e93c0e8fa612a82648457c771f6466ddc3036b9cd7a6526 · sha256:b6cd313e46f1c45a… · /containers/adp/0/references/1

Attribution and limitations

  • CISA Known Exploited Vulnerabilities JSON: CISA named for provenance; do not use CISA/DHS marks or imply endorsement Source →
  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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