How severe is CVE-2026-71408?

CVE-2026-71408 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-71408 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-71408?

CVE-2026-71408 affects Fortinet Fortios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-71408?

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

When was CVE-2026-71408 published?

CVE-2026-71408 was published on 2026-08-12 and last updated on 2026-09-08.

CVE-2026-71408

CVE-2026-71408 is a medium-severity vulnerability in Fortinet Fortios with a CVSS 3.x base score of 5.3. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Fortinet Fortios
Published: 2026-08-12
Last modified: 2026-09-08

Description

A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions may allow attacker to denial of service via <insert attack vector here>

Frequently asked questions

What is CVE-2026-71408?: A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions may allow attacker to denial of service via <insert attack vector here>
How severe is CVE-2026-71408?: CVE-2026-71408 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-71408 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-71408?: CVE-2026-71408 affects Fortinet Fortios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-71408?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-71408 published?: CVE-2026-71408 was published on 2026-08-12 and last updated on 2026-09-08.

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-162

Affected products (1)

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

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