CVE-2025-62826

An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-113] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions may allow an attacker able to intercept and modify a user's captive portal authentication request to inject arbitrary headers via crafted HTTP requests.

CVSS v3 3.1 LOW

3.1^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.6 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://fortiguard.fortinet.com/psirt/FG-IR-26-153	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:o:fortinet:fortios::::::::

History

14 Jul 2026, 18:46

Type	Values Removed	Values Added
CPE		cpe:2.3:a:fortinet:fortiproxy:::::::: cpe:2.3:o:fortinet:fortios::::::::
References	~~() https://fortiguard.fortinet.com/psirt/FG-IR-26-153 -~~	() https://fortiguard.fortinet.com/psirt/FG-IR-26-153 - Vendor Advisory
First Time		Fortinet Fortinet fortiproxy Fortinet fortios

14 Jul 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 16:16

Updated : 2026-07-14 18:46

NVD link : CVE-2025-62826

Mitre link : CVE-2025-62826

CVE.ORG link : CVE-2025-62826

JSON object : View

Products Affected

fortinet

fortios
fortiproxy

CWE

CWE-113

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

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"tags": ["Vendor Advisory"], "source": "psirt@fortinet.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "psirt@fortinet.com", "description": [{"lang": "en", "value": "CWE-113"}]}], "descriptions": [{"lang": "en", "value": "An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-113] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions may allow an attacker able to intercept and modify a user's captive portal authentication request to inject arbitrary headers via crafted HTTP requests."}], "lastModified": "2026-07-14T18:46:00.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C0C2DFB7-AFEB-41CF-B1E2-52F908AFF405", "versionEndExcluding": "7.6.5", 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