CVE-2025-61782

MEDIUM

5.4

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.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published1/7/2026

Last Modified1/20/2026

Sourcenvd

Honeypot Sightings0

Affected Products

citeum:opencti

Weaknesses (CWE)

CWE-601

References

https://github.com/OpenCTI-Platform/opencti/commit/f755165a26888925c4a58018f7238ff92a0bd378(security-advisories@github.com)

https://github.com/OpenCTI-Platform/opencti/releases/tag/6.8.3(security-advisories@github.com)

https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-jc3f-c62g-v7qw(security-advisories@github.com)

IOC Correlations

No correlations recorded

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