Newly disclosed vulnerability Common Vulnerabilities and Exposures (CVE)-2026-24858 [Common Weakness Enumeration (CWE)-288: Authentication Bypass Using an Alternate Path or Channel] allows malicious actors with a FortiCloud account and a registered device to log in to separate devices registered to other users in FortiOS, FortiManager, FortiWeb, FortiProxy, and FortiAnalyzer, if FortiCloud single sign on (SSO) is enabled on devices.
Users are vulnerable to CVE-2026-24858 even if they updated Fortinet devices to address previously disclosed FortiCloud SSO bypass vulnerabilities CVE-2025-59718 and CVE-2025-59719 [CWE-347: Improper Verification of Cryptographic Signature]. CVE-2025-59718 and CVE-2025-59719 affect FortiOS, FortiWeb, FortiProxy, and FortiSwitch Manager, and allow malicious actors to bypass the SSO login authentication via a crafted Security Assertion Markup Language (SAML) message.
Read more…
Source: U.S. Cybersecurity and Infrastructure Security Agency
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Proof-of-Concept Exploit Released for CVE-2024-53691 in QNAP QTS and QuTS NAS
January 17, 2025
QNAP has released a security advisory addressing three vulnerabilities in the QTS and QuTS products. QTS and QuTS are the operating system for QNAP Network-attached storage (NAS) appliances. CVE-2023-39298 is a ‘Missing authorisation’ vulnerability with a CVSSv3 score of 7.8. If exploited, a local attacker with low privileges could access data or perform actions without proper ...
- Mercedes-Benz Head Unit security research report
January 17, 2025
This report covers the research of the Mercedes-Benz Head Unit, which was made by Kaspersky team. Mercedes-Benz’s latest Head Unit (infotainment system) is called Mercedes-Benz User Experience (MBUX). The researchers performed analysis of the first generation MBUX. MBUX was previously analysed by KeenLab. Their report is a good starting point for diving deep into the MBUX ...
- Threat Brief: CVE-2025-0282 and CVE-2025-0283
January 16, 2025
On Jan. 8, 2025, Ivanti released a security advisory for two vulnerabilities (CVE-2025-0282 and CVE-2025-0283) in its Connect Secure, Policy Secure and ZTA gateway products. This threat brief provides attack details that we observed in a recent incident response engagement to provide actionable intelligence to the community. These details can be used to further detect current ...
- Clop ransomware gang names dozens of victims hit by Cleo mass-hack, but several firms dispute breaches
January 16, 2025
The prolific Clop ransomware gang has named dozens of corporate victims it claims to have hacked in recent weeks after exploiting a vulnerability in several popular enterprise file transfer products developed by U.S. software company Cleo. In a post on its dark web leak site, seen by TechCrunch, the Russia-linked Clop gang listed 59 organizations it ...
- Hackers are exploiting a new Fortinet firewall bug to breach company networks
January 14, 2025
Security researchers say malicious hackers have been exploiting a newly discovered vulnerability in Fortinet firewalls to break into corporate and enterprise networks. In an advisory published Tuesday, security product maker Fortinet confirmed that a critical-rated vulnerability in its FortiGate firewalls, tracked as CVE-2024-55591, is “being exploited in the wild.” Fortinet made patches available, but security researchers ...
- Patch Tuesday – January 2025
January 14, 2025
Microsoft is addressing 161 vulnerabilities this January 2025 Patch Tuesday. Microsoft has evidence of in-the-wild exploitation and/or public disclosure for eight of the vulnerabilities published today, with three listed on CISA KEV. This is now the fourth consecutive month where Microsoft has published zero-day vulnerabilities on Patch Tuesday without evaluating any of them as critical severity ...