CVE-2026-126255

Unauthenticated Path Traversal Enabling Authentication Bypass in Fortinet FortiOS and FortiPAM

Published Nov 11, 2026 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed

Description

A path traversal: '../filedir' 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, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions may allow an unauthenticated attacker to bypass authentication via specially crafted credentials.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiOS

unaffected

Version	Status	Constraints
`8.0.0`	affected	≤ 8.0.1
`7.6.0`	affected	≤ 7.6.7
`7.4.0`	affected	≤ 7.4.12
`7.2.0`	affected	≤ 7.2.13

Fortinet

FortiPAM

unaffected

Version	Status	Constraints
`1.6.0`	affected	≤ 1.6.2
`1.5.0`	affected	≤ 1.5.1
`1.4.0`	affected	≤ 1.4.3
`1.3.0`	affected	≤ 1.3.1
`1.2.0`	affected	—
`1.1.0`	affected	≤ 1.1.2
`1.0.0`	affected	≤ 1.0.3

No data.

Vendor Product Versions

Fortinet

Fortios

Version	Status	Scheme	Platform
`[8.0.0,8.0.1]`	affected	semver	—
`[7.6.0,7.6.7]`	affected	semver	—
`[7.4.0,7.4.12]`	affected	semver	—
`[7.2.0,7.2.13]`	affected	semver	—

Fortinet

Fortipam

Version	Status	Scheme	Platform
`[1.6.0,1.6.2]`	affected	semver	—
`[1.5.0,1.5.1]`	affected	semver	—
`[1.4.0,1.4.3]`	affected	semver	—
`[1.3.0,1.3.1]`	affected	semver	—
`1.2.0`	affected	semver	—
`[1.1.0,1.1.2]`	affected	semver	—
`[1.0.0,1.0.3]`	affected	semver	—

Remediation

Vendor Solution

Upgrade to upcoming FortiPAM version 7.0.1 or above Upgrade to FortiPAM version 1.9.3 or above Upgrade to upcoming FortiPAM version 1.8.5 or above Upgrade to upcoming FortiPAM version 1.7.3 or above Upgrade to FortiOS version 8.0.2 or above Upgrade to FortiOS version 7.6.8 or above Upgrade to FortiOS version 7.4.13 or above Upgrade to FortiOS version 7.2.14 or above

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.753% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://fortiguard.fortinet.com/psirt/FG-IR-26-269

History

Nov 12, 2026 5:00 PM Title updated View changes

Type	Values Removed	Values Added
Title		Unauthenticated Path Traversal Enabling Authentication Bypass in Fortinet FortiOS and FortiPAM

Nov 11, 2026 9:45 PM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		A path traversal: '../filedir' 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, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions may allow an unauthenticated attacker to bypass authentication via specially crafted credentials.
First Time appeared		Fortinet Fortinet fortios Fortinet fortipam
Weaknesses		CWE-24
CPEs		cpe:2.3:o:fortinet:fortios:7.2.0:::::::* cpe:2.3:o:fortinet:fortios:7.2.10:::::::* cpe:2.3:o:fortinet:fortios:7.2.11:::::::* cpe:2.3:o:fortinet:fortios:7.2.12:::::::* cpe:2.3:o:fortinet:fortios:7.2.13:::::::* cpe:2.3:o:fortinet:fortios:7.2.1:::::::* cpe:2.3:o:fortinet:fortios:7.2.2:::::::* cpe:2.3:o:fortinet:fortios:7.2.3:::::::* cpe:2.3:o:fortinet:fortios:7.2.4:::::::* cpe:2.3:o:fortinet:fortios:7.2.5:::::::* cpe:2.3:o:fortinet:fortios:7.2.6:::::::* cpe:2.3:o:fortinet:fortios:7.2.7:::::::* cpe:2.3:o:fortinet:fortios:7.2.8:::::::* cpe:2.3:o:fortinet:fortios:7.2.9:::::::* cpe:2.3:o:fortinet:fortios:7.4.0:::::::* cpe:2.3:o:fortinet:fortios:7.4.10:::::::* cpe:2.3:o:fortinet:fortios:7.4.11:::::::* cpe:2.3:o:fortinet:fortios:7.4.12:::::::* cpe:2.3:o:fortinet:fortios:7.4.1:::::::* cpe:2.3:o:fortinet:fortios:7.4.2:::::::* cpe:2.3:o:fortinet:fortios:7.4.3:::::::* cpe:2.3:o:fortinet:fortios:7.4.4:::::::* cpe:2.3:o:fortinet:fortios:7.4.5:::::::* cpe:2.3:o:fortinet:fortios:7.4.6:::::::* cpe:2.3:o:fortinet:fortios:7.4.7:::::::* cpe:2.3:o:fortinet:fortios:7.4.8:::::::* cpe:2.3:o:fortinet:fortios:7.4.9:::::::* cpe:2.3:o:fortinet:fortios:7.6.0:::::::* cpe:2.3:o:fortinet:fortios:7.6.1:::::::* cpe:2.3:o:fortinet:fortios:7.6.2:::::::* cpe:2.3:o:fortinet:fortios:7.6.3:::::::* cpe:2.3:o:fortinet:fortios:7.6.4:::::::* cpe:2.3:o:fortinet:fortios:7.6.5:::::::* cpe:2.3:o:fortinet:fortios:7.6.6:::::::* cpe:2.3:o:fortinet:fortios:7.6.7:::::::* cpe:2.3:o:fortinet:fortios:8.0.0:::::::* cpe:2.3:o:fortinet:fortios:8.0.1:::::::* cpe:2.3:o:fortinet:fortipam:1.0.0:::::::* cpe:2.3:o:fortinet:fortipam:1.0.1:::::::* cpe:2.3:o:fortinet:fortipam:1.0.2:::::::* cpe:2.3:o:fortinet:fortipam:1.0.3:::::::* cpe:2.3:o:fortinet:fortipam:1.1.0:::::::* cpe:2.3:o:fortinet:fortipam:1.1.1:::::::* cpe:2.3:o:fortinet:fortipam:1.1.2:::::::* cpe:2.3:o:fortinet:fortipam:1.2.0:::::::* cpe:2.3:o:fortinet:fortipam:1.3.0:::::::* cpe:2.3:o:fortinet:fortipam:1.3.1:::::::* cpe:2.3:o:fortinet:fortipam:1.4.0:::::::* cpe:2.3:o:fortinet:fortipam:1.4.1:::::::* cpe:2.3:o:fortinet:fortipam:1.4.2:::::::* cpe:2.3:o:fortinet:fortipam:1.4.3:::::::* cpe:2.3:o:fortinet:fortipam:1.5.0:::::::* cpe:2.3:o:fortinet:fortipam:1.5.1:::::::* cpe:2.3:o:fortinet:fortipam:1.6.0:::::::* cpe:2.3:o:fortinet:fortipam:1.6.1:::::::* cpe:2.3:o:fortinet:fortipam:1.6.2:::::::*
Vendors & Products		Fortinet Fortinet fortios Fortinet fortipam
References		https://fortiguard.fortinet.com/psirt/FG-IR-26-269
Metrics		cvssV3_1 `{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C'}`