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Fortinet FortiOSAuthentication bypass by primary weakness

Risk 67
Severity
9.3
AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H/E:P/RL:U/RC:C

A authentication bypass by primary weakness vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, 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 to broadcast LSA via specially crafted request

1 / 2
Source: MITRE
First published (updated )
CVE-2026-126253

Fortinet FortiOSAuthentication bypass by primary weakness

Risk 67
Severity
9.3
AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H/E:P/RL:U/RC:C

An Authentication Bypass by Primary Weakness vulnerability [cwe-305] in FortiOS and FortiSASE ospf daemon may allow an unauthenticated attacker to broadcast LSA via specially crafted request

First published (updated )
Advisory
FG-IR-26-267

Fortinet FortiOSNumeric truncation error

Risk 68
Severity
9.6
AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

A Numeric Truncation Error vulnerability [cwe-197] in FortiOS and FortiSASE bgp daemon may allow a configured ibgp neighbor to send malicious/malformed attributes to all connected routers via a specially crafted request

1 / 2
Source: FortiGuard
First published (updated )
CVE-2026-126254

Fortinet FortiOSNumeric truncation error

Risk 68
Severity
9.6
AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/E:F/RL:O/RC:C

A Numeric Truncation Error vulnerability [cwe-197] in FortiOS and FortiSASE bgp daemon may allow a configured ibgp neighbor to send malicious/malformed attributes to all connected routers via a specially crafted request

First published (updated )
Advisory
FG-IR-26-268

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