OpenCTI 3.3.1 is vulnerable to a directory traversal attack via the static/css endpoint. An unauthenticated attacker can read arbitrary files from the filesystem by sending crafted GET requests with path traversal sequences (e.g., '../') in the URL. For example, requesting /static/css//../../../../../../../../etc/passwd returns the contents of /etc/passwd. This vulnerability was discovered by Raif Berkay Dincel and confirmed on Linux Mint and Windows 10.
CVE-2020-37041
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-01-31. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 58.5%
- KEV
- Not listed
Published
January 30, 2026
Last Modified
February 13, 2026
References (4)
- disclosure@vulncheckhttps://github.com/OpenCTI-Platform/opencti
- disclosure@vulncheckhttps://www.exploit-db.com/exploits/48595
- disclosure@vulncheckhttps://www.opencti.io/
- disclosure@vulncheckhttps://www.vulncheck.com/advisories/opencti-directory-traversal
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| pycti | 1.2.1 ... 3.3.1 (41 versions) | — | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 42× 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.
- 2026-07-22 14:05 UTCEPSS rescore
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- 2026-07-13 12:38 UTCOSV refresh
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- 2026-07-06 16:25 UTCEPSS rescore
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- 2026-06-08 01:37 UTCGHSA enrichment
- 2026-06-07 15:23 UTCEPSS rescore
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- 2026-06-01 13:50 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
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- 2026-05-31 00:15 UTCEPSS rescore
- 2026-05-31 00:15 UTCEPSS rescore
- 2026-05-29 14:58 UTCEG score recompute
- 2026-05-29 14:58 UTCGHSA enrichment
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