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-2025-61782
This medium-severity CVE scores 6.1 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 87% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.1
- EG Score
- 6.1(medium)
- EG Risk
- 28(Track)EG Risk 28/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 18%
- KEV
- Not listed
Published
January 7, 2026
Last Modified
June 17, 2026
Advisory Details (3)
Auto-updated Aug 8, 2026Open Redirect in OpenCTI's SAML Authentication Flow · Advisory · OpenCTI-Platform/opencti · GitHub
https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-jc3f-c62g-v7qwVersion 6.8.3
Patch available: OpenCTI-Platform/opencti 6.8.3
https://github.com/OpenCTI-Platform/opencti/releases/tag/6.8.3commit f755165a2688 (OpenCTI-Platform/opencti)
Fix landed in OpenCTI-Platform/opencti commit f755165a2688 — awaiting tagged release
https://github.com/OpenCTI-Platform/opencti/commit/f755165a26888925c4a58018f7238ff92a0bd378Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| pycti | 1.2.1 ... 6.8.2 (344 versions) | 6.8.3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 27× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 155 total refreshes for this CVE.
- 2026-09-19 15:42 UTCEPSS rescore
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- 2026-08-21 23:48 UTCEPSS rescore
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- 2026-08-06 06:13 UTCEG score recompute▲ 0.70
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- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 11:19 UTCOSV refresh
- 2026-07-23 03:00 UTCEG score recompute
- 2026-07-22 14:08 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2025-61782?
When was CVE-2025-61782 disclosed?
Is CVE-2025-61782 actively exploited?
What is the CVSS score of CVE-2025-61782?
How do I remediate CVE-2025-61782?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-61782
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