Cognee allows non-superusers to overwrite global LLM configuration
Cognee before 1.2.0 contains an improper access control vulnerability that allows unauthenticated attackers to overwrite the global LLM provider configuration by self-registering an account and calling the settings endpoint, which performs no admin or superuser check. Attackers can redirect all LLM operations instance-wide to an attacker-controlled endpoint by exploiting the process-wide singleton configuration cache, enabling exfiltration of prompts, uploaded documents, extracted entities, and knowledge graph content from all users.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | cognee | < 1.5.0 | 1.5.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-58473
- https://github.com/topoteretes/cognee/issues/3084
- https://github.com/topoteretes/cognee/commit/10971db1b0bd97e88f96bd2a9ffb3edb7b22bcd0
- https://github.com/topoteretes/cognee/commit/d10b1b77e2157c6238fd4d1acb1923a048991699
- https://github.com/topoteretes/cognee/commit/ebcf82412d0954f5c5018444f7eee8d96fee5113
- https://github.com/topoteretes/cognee
- https://github.com/topoteretes/cognee/releases/tag/v1.2.0
- https://www.vulncheck.com/advisories/cognee-unauthorized-llm-configuration-overwrite-via-api-v1-settings
- https://pypi.org/project/cognee
- https://github.com/advisories/GHSA-49f7-whx5-4256
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-306- Platform
- Python (PyPI)
- Package
cognee- Disclosed
- 07.07.2026
- Updated
- 11.10.2026 15:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-3816 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-49f7-whx5-4256 - CC BY 4.0
Vulnerability history: cognee
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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