CVE-2026-24858
CRITICAL KEVFortinet FortiAnalyzer 7.0.0-7.0.15, 7.2.0-7.2.11, 7.4.0-7.4.9, 7.6.0-7.6.5 - Authentication Bypass via FortiCloud SSO
Title source: llmExploitation Summary
CVE-2026-24858 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added January 27, 2026. EIP tracks 6 public exploits from researchers including XiaomingX, absholi7ly, gagaltotal.
AI-analyzed exploit summary This repository contains a functional exploit PoC for CVE-2026-24858, targeting FortiCloud SSO identity management via a temporal vulnerability in the SAML state machine. The exploit uses fluid dynamics principles to synchronize a low-privilege account with an administrator session.
Description
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer 7.4.0 through 7.4.9, FortiAnalyzer 7.2.0 through 7.2.11, FortiAnalyzer 7.0.0 through 7.0.15, FortiManager 7.6.0 through 7.6.5, FortiManager 7.4.0 through 7.4.9, FortiManager 7.2.0 through 7.2.11, FortiManager 7.0.0 through 7.0.15, FortiNAC-F 7.6.3 through 7.6.5, FortiOS 7.6.0 through 7.6.5, FortiOS 7.4.0 through 7.4.10, FortiOS 7.2.0 through 7.2.12, FortiOS 7.0.0 through 7.0.18, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4.0 through 7.4.12, FortiProxy 7.2.0 through 7.2.15, FortiProxy 7.0.0 through 7.0.22, FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11 may allow an attacker with a FortiCloud account and a registered device to log into other devices registered to other accounts, if FortiCloud SSO authentication is enabled on those devices.
Exploits (6)
This repository contains a functional exploit PoC for CVE-2026-24858, targeting FortiCloud SSO identity management via a temporal vulnerability in the SAML state machine. The exploit uses fluid dynamics principles to synchronize a low-privilege account with an administrator session.
This PoC demonstrates an authentication bypass vulnerability in FortiCloud SSO, allowing an attacker with a valid FortiCloud account to reuse their SSO token to gain unauthorized access to other customers' FortiGate/FortiManager/FortiAnalyzer appliances. Successful exploitation grants full admin GUI access and a root shell.
This repository contains a Python-based PoC for CVE-2026-24858, an administrative FortiCloud SSO authentication bypass vulnerability. It includes both a scanner to detect Fortinet web management indicators and an optional exploit sender that requires explicit enabling via a flag.
This PoC exploits a temporal vulnerability in FortiCloud's SAML state machine (CVE-2026-24858) by synchronizing a low-privilege account with an admin session through 33-layered resonance attacks, achieving privilege escalation via identity collision.
This PoC implements a novel network stack projection attack using fluid dynamics principles (CTT-Navier-Stokes mapping) to decompose and deliver payloads across temporal layers. It employs energy cascade techniques and prime resonance timing to evade detection.
This is a detailed writeup analyzing CVE-2026-24858, a critical authentication bypass vulnerability in Fortinet FortiCloud SSO. The document provides technical details, affected versions, CVSS scoring, and real-world attack scenarios.
References (4)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H