Vulnerability handling in Fortinet FortiSandbox

Fortinet has identified a vulnerability in FortiSandbox. This vulnerability relates to an exposure or resource issue with the wrong spheres CWE-668 in the VNC-server component used within FortiSandbox’s scanning virtual machines. Unauthorized attackers can send network requests to gain access to...

Kwetsbaarheid verholpen in Fortinet FortiClient EMS

Fortinet has identified a vulnerability in FortiClient EMS versions 7.2 through 7.4.5. This vulnerability relates to the improper validation of certificates within FortiClient EMS. As a result, an external attacker who is not authenticated can impersonate an Active Directory Connector by using a...

The vulnerability of the FortiOS operating systems and the FortiProxy proxy server, related to the failure to handle CRLF sequences in HTTP headers, allows attackers to gain unauthorized access and modify authentication requests.

The vulnerability of the FortiOS operating systems and the FortiProxy proxy server for protecting against Internet attacks is related to the failure to handle CRLF sequences in HTTP headers. Exploiting this vulnerability can allow a malicious actor to gain unauthorized access and modify...

Fortinet FortiSIEM 6.4.x < 7.2.7 / 7.3.x < 7.3.5 / 7.4.x < 7.4.1 XSS (FG-IR-26-149)

The version of Fortinet FortiSIEM running on the remote host is 6.4.x through 7.2.x prior to 7.2.7, 7.3.x prior to 7.3.5, or 7.4.0. It is, therefore, affected by a cross-site scripting vulnerability: - An improper neutralization of script-related HTML tags in a web page basic XSS vulnerability in...

Fortinet FortiSandbox OS Command Injection Vulnerability

Fortinet FortiSandbox, FortiSandbox Cloud, and FortiSandbox PaaS contain an OS command injection vulnerability that allows an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests...

CVE-2026-59838

CVE-2026-59838 is an XSS-type vulnerability described as improper neutralization of script-related HTML tags in Fortinet FortiSIEM. Affected versions span FortiSIEM 7.4.0; 7.3.0–7.3.4; 7.2.0–7.2.6; 7.1.x; 7.0.x; and all 6.x versions (6.4–6.7). The issue could allow an attacker to execute unauthor...

Vulnerabilities exist in several Fortinet products

Fortinet has identified vulnerabilities in several versions of FortiSIEM Windows Agent and general product versions, FortiOS, FortiPAM, and FortiProxy. One vulnerability exists in the FortiSIEM Windows Agent versions 7.4.0 through 7.4.1 with the identifier CVE-2026-59841. This vulnerability allow...

EUVD-2026-43719

A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.5, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions may allow attacker to information disclosure via...

EUVD-2026-43710

A exposure of resource to wrong sphere vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.3 through 4.4.8 may allow an unauthenticated attacker to access the VNC server of VMs performing scanning via network requests...

EUVD-2025-210467

A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions may allow an authenticated remote attacker to return a portion of device memory in the redirect response via submitting a specially crafted request...

EUVD-2025-210464

A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request...

CVE-2026-23573

An Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability CWE-79 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiPAM 1.8.0, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5...

CVE-2025-53379

A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request...

CVE-2025-62675

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...

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...

CVE-2026-59840

A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiProxy 7.6.0 through 7.6.5, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions, FortiProxy 7.0 all...

CVE-2025-43892

Fortinet FortiOS is affected by CVE-2025-43892: a buffer over-read in FortiOS 7.6.0–7.6.2, 7.4.0–7.4.8, and 7.2 all versions. An authenticated remote attacker could cause the device to return a portion of memory in the redirect response by submitting a specially crafted request. The CVSSv3.1 vect...

CVE-2026-59840

Fortinet FortiOS (7.6.0–7.6.2, 7.4.0–7.4.8, 7.2 all) and FortiProxy (7.6.0–7.6.5, 7.4.0–7.4.13, 7.2 all) are affected by a buffer over-read that may lead to information disclosure. Root cause described as a buffer over-read affecting multiple Fortinet products; the exact attack vector is not spec...

CVE-2026-23573

An Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability CWE-79 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiPAM 1.8.0, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5...

CVE-2025-62675

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...