Vulnerability Description
pygeoapi is a Python server implementation of the OGC API suite of standards. From version 0.23.0 to before version 0.23.3, a raw string path concatenation vulnerability in pygeoapi's STAC FileSystemProvider plugin can allow for requests to STAC collection based collections to expose directories without authentication. The issue manifests when pygeoapi is deployed without a proxy or web front end that would normalize URLs with .. values, along with a resource of type stac-collection defined in configuration. This issue has been patched in version 0.23.3.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/geopython/pygeoapi/commit/bf25b8695edbdd5476eeffc102b633d1d3e
- https://github.com/geopython/pygeoapi/releases/tag/0.23.3
- https://github.com/geopython/pygeoapi/security/advisories/GHSA-f6pr-83pg-ghh6
FAQ
What is CVE-2026-42351?
CVE-2026-42351 is a vulnerability with a CVSS score of 7.5 (HIGH). pygeoapi is a Python server implementation of the OGC API suite of standards. From version 0.23.0 to before version 0.23.3, a raw string path concatenation vulnerability in pygeoapi's STAC FileSystemP...
How severe is CVE-2026-42351?
CVE-2026-42351 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-42351?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.