CVE-2026-126259Not scored
CVE-2026-126259: Fortinet FortiOS vulnerability
Fortinet · FortiOS
Vendor fix available · Affected: Fortinet FortiOS · Exploitation: not established
ExploitationNot established
Not in CISA KEV as of catalogue 2026.11.13 (13 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not establishedNothing in the sources we check
0.7%probability of exploitation in the next 30 days
51st percentile
050100
Higher than 51% of scored CVEs
Not scored yet. NVD has not published a CVSS score.
DescriptionNVD
A missing authentication for critical function vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow an unauthenticated attacker with HA FGSP + standalone-config-sync, or autoscale to execute command as super admin via crafted HA packets.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Fortinet
- Published
- November 2026
Coverage1 article · 1 outlet
First in our coverage: SecurityOnline, 10 Nov.
- Fortinet patches eight critical flaws across security productsSecurityOnline · first in our coverage · mentions it in passing
New articles also arrive in the RSS feed.