CVE-2026-23708: A improper authentication vulnerability in Fortinet FortiSOAR PaaS 7.6.0 through 7.6.3, FortiSOAR PaaS 7.5.0 t

Routine

HIGH 7.5UPGRADE

CVE-2026-23708 is a high-severity flaw (CVSS 7.5) affecting fortisoar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A improper authentication vulnerability in Fortinet FortiSOAR PaaS 7.6.0 through 7.6.3, FortiSOAR PaaS 7.5.0 through 7.5.2, FortiSOAR on-premise 7.6.0 through 7.6.3, FortiSOAR on-premise 7.5.0 through 7.5.2 may allow an unauthenticated attacker to bypass authentication via replaying captured 2FA request. The attack requires being able to intercept and decrypt authentication traffic and precise timing to replay the request before token expiration,

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-287, CWE-862
Published	2026-04-14
Last modified	2026-10-26

Publisher (CNA): Fortinet, Inc. · Vendor: fortinet

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-14 16:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

fortinet fortisoar UPGRADE

Affected: >= 7.5.0 and < 7.5.3 · >= 7.6.0 and < 7.6.4

Fixed in: 7.5.3, 7.6.4

Safe to downgrade to: a release before 7.5.0

1. Check installed version

apt-cache policy fortisoar || rpm -q fortisoar || fortisoar --version

2. UPGRADE to 7.5.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fortisoar

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fortisoar

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 7.5.0 (Debian / Ubuntu)

apt-cache madison fortisoar sudo apt install fortisoar=<VERSION_BEFORE_7.5.0> sudo apt-mark hold fortisoar

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list fortisoar sudo dnf downgrade fortisoar-<VERSION_BEFORE_7.5.0> sudo dnf versionlock add fortisoar

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-23708?

fortisoar: upgrade to 7.5.3, 7.6.4. Exact commands for each OS are on this page.

Is CVE-2026-23708 being exploited?

CVE-2026-23708 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-23708 affect?

CVE-2026-23708 affects fortisoar. Severity is high (CVSS 7.5). A improper authentication vulnerability in Fortinet FortiSOAR PaaS 7.6.0 through 7.6.3, FortiSOAR PaaS 7.5.0 through 7.5.2, FortiSOAR on-premise 7.6.0 through 7.6.3, FortiSOAR on-premise 7.5.0 through 7.5.2 may allow an unauthenticated atta

How urgent is CVE-2026-23708?

Priority 31/100. High severity

Software pages

Fortinet vulnerabilities

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References

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