2FA request can be replayed without a valid token after one successful request
CVSSv3 Score: 6.7 An Improper authentication vulnerability [CWE-287] in FortiSOAR web GUI 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. Revised on 2026-04-14 00:00:00
CSIRTS triage
- What
- An unauthenticated attacker may bypass authentication by replaying captured 2FA requests.
- Who is affected
- Users of FortiSOAR web GUI.
- Urgency
- Remediation is urgent due to the potential for unauthorized access.
- Action
- Implement measures to secure authentication traffic.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://fortiguard.fortinet.com/psirt/FG-IR-26-101
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-237080.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-23708 | coverage & exploitation status | NVD · CVE.org |
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