CVE-2025-61782

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.

CVSS 3.1

6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-25)

CWE

CWE-601

Published

2026-01-07

Modified

2026-10-12

Record from

the NVD, synced 2026-10-19

Affected

• citeum:opencti

Packages (OSV)

References

• https://github.com/OpenCTI-Platform/opencti/commit/f755165a26888925c4a58018f7238ff92a0bd378
• https://github.com/OpenCTI-Platform/opencti/releases/tag/6.8.3
• https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-jc3f-c62g-v7qw

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