CVE-2026-21887
2 advisories.
PyPI/pycti CVE-2026-21887: high 7.7, EPSS 0.22%
OpenCTI has Semi-Blind SSRF via Unvalidated External URL in Data Ingestion Feature
Action: Upgrade pycti to 6.8.16 or later.
pip install pycti==6.8.16Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.8.16 | - |
Fixed versions
| 6.8.16 |
Sources
- osv: GHSA-ffm6-vvph-g5f5
- https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-ffm6-vvph-g5f5
- https://nvd.nist.gov/vuln/detail/CVE-2026-21887
- https://github.com/OpenCTI-Platform/opencti
- https://github.com/pypa/advisory-database/tree/main/vulns/pycti/PYSEC-2026-118.yaml
CVE-2026-21887 · published · modified · JSON
PyPI/pycti CVE-2026-21887: high 7.7, EPSS 0.22%
OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.8.16, the OpenCTI platform’s data ingestion feature accepts user-supplied URLs without v
Action: Upgrade pycti to 6.8.16 or later.
pip install pycti==6.8.16Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.8.16 | - |
Fixed versions
| 6.8.16 |
Sources
- osv: PYSEC-2026-118
- https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-ffm6-vvph-g5f5
CVE-2026-21887 · published · modified · JSON