Fortinet Confirms Active FortiCloud SSO Bypass on Fully Patched FortiGate Firewalls

Fortinet has officially confirmed that it's working to completely plug a FortiCloud SSO authentication bypass vulnerability following reports of fresh exploitation activity on fully-patched firewalls. "In the last 24 hours, we have identified a number of cases where the exploit was to a device th...

Exploit for Improper Verification of Cryptographic Signature in Fortinet Fortiproxy

CVEs: CVE-2025-59718 / CVE-2025-59719 Fortinet Poc Herramient...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-59718link is external Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability This type of vulnerability is a frequent atta...

Fortinet FortiGate Under Active Attack Through SAML SSO Authentication Bypass

Threat actors have begun to exploit two newly disclosed security flaws in Fortinet FortiGate devices, less than a week after public disclosure. Cybersecurity company Arctic Wolf said it observed active intrusions involving malicious single sign-on SSO logins on FortiGate appliances on December 12...

CVE-2025-57918

creationtimestamp| type| source ---|---|--- 2025-12-15 12:58:40+00:00| seen| https://cyber.gc.ca/en/alerts-advisories/al25-019-vulnerabilities-impacting-fortinet-products-forticloud-sso-login-authentication-bypass-cve-2025-59718-cve-2025-59719...

VulnCheck KEV: CVE-2025-59718

A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.10, FortiProxy 7.2.0 through 7.2.14,...

Fortinet, Ivanti, and SAP Issue Urgent Patches for Authentication and Code Execution Flaws

Fortinet, Ivanti, and SAP have moved to address critical security flaws in their products that, if successfully exploited, could result in an authentication bypass and code execution. The Fortinet vulnerabilities affect FortiOS, FortiWeb, FortiProxy, and FortiSwitchManager and relate to a case of...

Fortinet Fortigate SSO Login Authentication Bypass (FG-IR-25-647)

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the FG-IR-25-647 advisory. - An improper verification of cryptographic signature vulnerability in Fortinet FortiWeb 8.0.0,... CVE-2025-59719 - ...