How severe is CVE-2023-26206?

CVE-2023-26206 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-26206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26206?

CVE-2023-26206 primarily affects Fortinet Fortinac. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-26206?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-26206 have an EU (EUVD) identifier?

Yes. CVE-2023-26206 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-30031.

When was CVE-2023-26206 published?

CVE-2023-26206 was published on 2024-02-15 and last updated on 2026-06-17.

CVE-2023-26206

CVE-2023-26206 is a medium-severity vulnerability in Fortinet Fortinac with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-30031
Weakness: CWE-79
Affected product: Fortinet Fortinac
Published: 2024-02-15
Last modified: 2026-06-17

Description

An improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiNAC 9.4.0 - 9.4.2, 9.2.0 - 9.2.8, 9.1.0 - 9.1.10 and 7.2.0 allows an attacker to execute unauthorized code or commands via the name fields observed in the policy audit logs.

Frequently asked questions

What is CVE-2023-26206?: An improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiNAC 9.4.0 - 9.4.2, 9.2.0 - 9.2.8, 9.1.0 - 9.1.10 and 7.2.0 allows an attacker to execute unauthorized code or commands via the name fields observed in the policy audit logs.
How severe is CVE-2023-26206?: CVE-2023-26206 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-26206 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26206?: CVE-2023-26206 primarily affects Fortinet Fortinac. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-26206?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-26206 have an EU (EUVD) identifier?: Yes. CVE-2023-26206 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-30031.
When was CVE-2023-26206 published?: CVE-2023-26206 was published on 2024-02-15 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-23-063

Affected products (2)

cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortinac:7.2.0:*:*:*:*:*:*:*

More vulnerabilities in Fortinet Fortinac

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CVE-2022-26117 — High (CVSS 8.8): An empty password in configuration file vulnerability [CWE-258] in FortiNAC version 8.3.7 and below, 8.5.2 and below,…
CVE-2022-39953 — High (CVSS 7.8): A improper privilege management in Fortinet FortiNAC version 9.4.0 through 9.4.1, FortiNAC version 9.2.0 through 9.2.6,…
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