CVE-2025-61782

MEDIUM

OpenCTI < 6.8.3 - Open Redirect via SAML RelayState Parameter

Title source: llm
STIX 2.1

Description

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to version 6.8.3, an open redirect vulnerability exists in the OpenCTI platform's SAML authentication endpoint (/auth/saml/callback). By manipulating the RelayState parameter, an attacker can force the server to issue a 302 redirect to any external URL, enabling phishing, credential theft, and arbitrary site redirection. This issue has been patched in version 6.8.3.

Scores

CVSS v3 5.4
EPSS 0.0022
EPSS Percentile 12.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-601
Status published
Products (1)
citeum/opencti < 6.8.3
Published Jan 07, 2026
Tracked Since Feb 18, 2026