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:
- Multiple D-Link Routers Open to Complete Takeover with Simple Attack
October 17, 2018
The vendor only plans to patch two of the eight impacted devices, according to a researcher. Eight D-Link routers in the company’s small/home office “DWR” range are vulnerable to complete takeover – but the vendor said it is planning on only patching two, according to a researcher. Błażej Adamczyk of the Silesian University of Technology in Poland ...
- LibSSH Flaw Allows Hackers to Take Over Servers Without Password
October 16, 2018
A four-year-old severe vulnerability has been discovered in the Secure Shell (SSH) implementation library known as Libssh that could allow anyone to completely bypass authentication and gain unfettered administrative control over a vulnerable server without requiring a password. The security vulnerability, tracked as CVE-2018-10933, is an authentication-bypass issue that was introduced in Libssh version 0.6 released earlier 2014, leaving ...
- New Drupalgeddon Attacks Enlist Shellbot to Open Backdoors
October 11, 2018
Drupalgeddon 2.0 vulnerability is being exploited again by attackers using a time-honored technique of Shellbot, or PerlBot. Researchers are warning of a new wave of cyberattacks targeting unpatched Drupal websites that are vulnerable to Drupalgeddon 2.0. What’s unique about this latest series of attacks is that adversaries are using PowerBot malware, an IRC-controlled bot also called ...
- Over nine million cameras and DVRs open to APTs, botnet herders, and voyeurs
October 9, 2018
Millions of security cameras, DVRs, and NVRs contain vulnerabilities that can allow a remote attacker to take over devices with little effort, security researchers have revealed today. All vulnerable devices have been manufactured by Hangzhou Xiongmai Technology Co., Ltd.(Xiongmai hereinafter), a Chinese company based in the city of Hangzhou. But end users won’t be able to tell that ...
- Microsoft Patches Zero-Day Under Active Attack by APT
October 9, 2018
A zero-day vulnerability tied to the Window’s Win32k component is under active attack, warns Microsoft. Microsoft has issued a patch for a zero-day bug being actively exploited in the wild, as part of its Patch Tuesday security bulletin. The vulnerability is an elevation-of-privilege flaw, rated important, affecting the Windows Win32k component. The zero-day (CVE-2018-8453), found by Kaspersky ...
- Adobe Releases Security Patch Updates for 11 Vulnerabilities
October 9, 2018
Adobe has released its monthly security updates to address a total of 11 vulnerabilities in Adobe Digital Editions, Framemaker, and Technical Communications Suite, of which four are rated critical and rest 7 are important in severity. Adobe has also released updated versions for Flash Player, but surprisingly this month the software received no security patch update. Also, none of the ...