Fortinet vulnerabilities25 known to be exploited.
Fortinet has 951 published vulnerabilities across 262 products in our catalogue. 25 of them are on the list of flaws known to be exploited, so criminals are using them now. The most affected product is FortiOS, with 240. If you run Fortinet software, patch the exploited flaws first.
The most recent Fortinet flaw added to the known-exploited list is CVE-2026-104286, on 1 October 2026. We keep watching the known-exploited list.
Which Fortinet products have the most vulnerabilities?
FortiOS leads with 240 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.
Which Fortinet vulnerabilities are being exploited?
25 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 9.8Fortinet FortiMail Path Traversal Vulnerability
Fortinet FortiMail contains a path traversal and an improper neutralization of NULL byte or NULL character vulnerability that may allow an unauthenticated attacker to write arbitrary files on the underlying system...
- 8.1Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability
Fortinet FortiOS, FortiSwitchManager, and FortiSASE contain a heap-based buffer overflow vulnerability that allows an attacker to execute unauthorized code or commands via specially crafted packets.
- 9.8Fortinet FortiClient EMS Improper Access Control Vulnerability
Fortinet FortiClient EMS contains an improper access control vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests.
- 9.8Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability
Fortinet FortiOS, FortiSwitchMaster, FortiProxy, and FortiWeb contain an improper verification of cryptographic signature vulnerability that may allow an unauthenticated attacker to bypass the FortiCloud SSO login...
- 9.8Fortinet FortiWeb Path Traversal Vulnerability
Fortinet FortiWeb contains a relative path traversal vulnerability that may allow an unauthenticated attacker to execute administrative commands on the system via crafted HTTP or HTTPS requests.
- 9.8Fortinet FortiWeb SQL Injection Vulnerability
Fortinet FortiWeb contains a SQL injection vulnerability that may allow an unauthenticated attacker to execute unauthorized SQL code or commands via crafted HTTP or HTTPs requests.
- 6.5Fortinet FortiOS Use of Hard-Coded Credentials Vulnerability
Fortinet FortiOS contains a use of hard-coded credentials vulnerability that could allow an attacker to cipher sensitive data in FortiOS configuration backup file via knowledge of the hard-coded key.
- 9.8Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability
Fortinet FortiFone, FortiVoice, FortiNDR and FortiMail contain a stack-based overflow vulnerability that may allow a remote unauthenticated attacker to execute arbitrary code or commands via crafted HTTP requests.
Which Fortinet flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- >99%
An Improper Limitation of a Pathname to a Restricted Directory ("Path Traversal") in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to...
- >99%
An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1 and 7.0.0 through 7.0.6, FortiProxy version 7.2.0 and version 7.0.0 through 7.0.6 and...
- >99%
An improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability [CWE-89] in Fortinet FortiWeb version 7.6.0 through 7.6.3, 7.4.0 through 7.4.7, 7.2.0 through 7.2.10 and below...
- >99%CVE-2022-39952Critical
A external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 may...
- >99%
A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.10, 6.2.0 through 6.2.11, 6.0.15 and earlier and FortiProxy SSL-VPN 7.2.0 through...
All Fortinet products we track.
89 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.
- FortiOSfortios240 vulnerabilities278 versions
- FortiProxyfortiproxy105 vulnerabilities101 versions
- FortiWebfortiweb103 vulnerabilities146 versions
- FortiManagerfortimanager94 vulnerabilities153 versions
- FortiClientforticlient75 vulnerabilities123 versions
- FortiAnalyzerfortianalyzer74 vulnerabilities139 versions
- FortiPortalfortiportal42 vulnerabilities84 versions
- FortiADCfortiadc40 vulnerabilities126 versions
- FortiSandboxfortisandbox40 vulnerabilities72 versions
- FortiMailfortimail38 vulnerabilities125 versions
- FortiNACfortinac29 vulnerabilities74 versions
- FortiWLMfortiwlm23 vulnerabilities16 versions
- FortiSIEMfortisiem22 vulnerabilities101 versions
- FortiAuthenticatorfortiauthenticator21 vulnerabilities65 versions
- FortiSOARfortisoar21 vulnerabilities29 versions
- FortiManager Cloudfortimanager_cloud19 vulnerabilities43 versions
- FortiNet Antivirusfortinet_antivirus18 vulnerabilities1 version
- FortiPAMfortipam18 vulnerabilities17 versions
- FortiVoicefortivoice17 vulnerabilities68 versions
- FortiTesterfortitester16 vulnerabilities44 versions
- FortiWANfortiwan16 vulnerabilities27 versions
- FortiManager Firmwarefortimanager_firmware15 vulnerabilities24 versions
- FortiSwitchManagerfortiswitchmanager15 vulnerabilities15 versions
- FortiAnalyzer Firmwarefortianalyzer_firmware12 vulnerabilities23 versions
This directory lists the 89 Fortinet products with at least one tracked version, of 262 in our catalogue.
Running Fortinet? We'll keep checking.
Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.
- Tell us what you runPick your software from a list, or let us work it out from your website.
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- Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
- Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.
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1 flaw being exploited affects software Acme tracks
Fortinet FortiMail contains a path traversal and an improper neutralization of NULL byte or NULL character vulnerability that may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests.
- Matched to
- FortiMail on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
Our catalogue lists 951 published vulnerabilities across 262 products and 3,055 versions from Fortinet. The most recent Fortinet flaw added to the known-exploited list is CVE-2026-104286, on 1 October 2026.
25 Fortinet vulnerabilities are on the list of flaws known to be exploited. The most recently added are CVE-2026-104286, CVE-2025-25249 and CVE-2026-35616. The full list is on this page.
FortiOS, with 240 published vulnerabilities. Its own page lists the ones known to be exploited.
Create a EdgeProtect account and track the Fortinet products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.