How severe is CVE-2026-21742?

CVE-2026-21742 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-21742 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21742?

CVE-2026-21742 affects Fortinet Fortisoar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21742?

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

Does CVE-2026-21742 have an EU (EUVD) identifier?

Yes. CVE-2026-21742 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22315.

When was CVE-2026-21742 published?

CVE-2026-21742 was published on 2026-04-14 and last updated on 2026-07-08.

CVE-2026-21742

CVE-2026-21742 is a medium-severity vulnerability in Fortinet Fortisoar with a CVSS 3.x base score of 5.7. 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-319.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22315
Weakness: CWE-319
Affected product: Fortinet Fortisoar
Published: 2026-04-14
Last modified: 2026-07-08

Description

A cleartext transmission of sensitive information vulnerability in Fortinet FortiSOAR PaaS 7.6.0 through 7.6.3, FortiSOAR PaaS 7.5.0 through 7.5.2, FortiSOAR PaaS 7.4 all versions, FortiSOAR PaaS 7.3 all versions, FortiSOAR on-premise 7.6.0 through 7.6.2, FortiSOAR on-premise 7.5.0 through 7.5.1, FortiSOAR on-premise 7.4 all versions, FortiSOAR on-premise 7.3 all versions may allow an authenticated attacker to view cleartext password in response for Secure Message Exchange and Radius queries, if configured

Frequently asked questions

What is CVE-2026-21742?: A cleartext transmission of sensitive information vulnerability in Fortinet FortiSOAR PaaS 7.6.0 through 7.6.3, FortiSOAR PaaS 7.5.0 through 7.5.2, FortiSOAR PaaS 7.4 all versions, FortiSOAR PaaS 7.3 all versions, FortiSOAR on-premise 7.6.0 through 7.6.2, FortiSOAR on-premise 7.5.0 through 7.5.1, FortiSOAR on-premise 7.4 all versions, FortiSOAR on-premise 7.3 all versions may allow an authenticated attacker to view cleartext password in response for Secure Message Exchange and Radius queries, if configured
How severe is CVE-2026-21742?: CVE-2026-21742 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-21742 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21742?: CVE-2026-21742 affects Fortinet Fortisoar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21742?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21742 have an EU (EUVD) identifier?: Yes. CVE-2026-21742 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22315.
When was CVE-2026-21742 published?: CVE-2026-21742 was published on 2026-04-14 and last updated on 2026-07-08.

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-106

Affected products (1)

cpe:2.3:a:fortinet:fortisoar:*:*:*:*:*:*:*:*

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