CVE-2026-126150: A weak password recovery mechanism for forgotten password vulnerability in Fortinet FortiMail 8.0.0, FortiMail 7.6.0…
- Is it exploited?
Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.
- How likely is exploitation in the next 30 days?
- 0.5%
EPSS score, percentile 43.7 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 9.1 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
Upgrade to FortiMail version 8.0.1 or above Upgrade to FortiMail version 7.6.6 or above Upgrade to FortiMail version 7.4.8 or above Upgrade to upcoming FortiMail version … Full textSolution from the CVE record.
CISA has set no required action, because the vulnerability is not in KEV.
No patch or vendor advisory is listed in the CVE record. Check Fortinet's advisories.
- Which versions are affected?
Affected
- 8.0.0
- 7.6.0 through 7.6.5
- 7.4.0 through 7.4.7
- 7.2.0 through 7.2.9
Source: CISA KEV 2026.11.10, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
A weak password recovery mechanism for forgotten password vulnerability in Fortinet FortiMail 8.0.0, FortiMail 7.6.0 through 7.6.5, FortiMail 7.4.0 through 7.4.7, FortiMail 7.2.0 through 7.2.9 may allow an unauthenticated attacker to reset the password of an arbitrary IBE webmail user and take over their account via specially crafted HTTP requests.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
No patch, vendor advisory or mitigation is listed in the CVE record. Check Fortinet's own security advisories for a fix, and compare your version with the affected versions below.
Solution (from the CVE record)
Upgrade to FortiMail version 8.0.1 or above Upgrade to FortiMail version 7.6.6 or above Upgrade to FortiMail version 7.4.8 or above Upgrade to upcoming FortiMail version 7.2.10 or above
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (1 product)
| Status | Versions |
|---|---|
| Affected | 8.0.0 |
| Affected | 7.6.0 through 7.6.5 |
| Affected | 7.4.0 through 7.4.7 |
| Affected | 7.2.0 through 7.2.9 |
Versions not listed are: unaffected.
Source: CVE List, as of . About the data.
Weakness
CWE-640
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published |
Known exploited Fortinet vulnerabilities
- CVE-2025-61624: Fortinet Multiple Products Path Traversal Vulnerability
- CVE-2026-104286: Fortinet FortiMail Path Traversal Vulnerability
- CVE-2025-25249: Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability
- CVE-2025-68686: Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
- CVE-2026-25089: Fortinet FortiSandbox OS Command Injection Vulnerability