What is CVE-2026-42351?

CVE-2026-42351 is a high-severity vulnerability in Geopython Pygeoapi, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-05-08.

How severe is CVE-2026-42351?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Geopython Pygeoapi

CVE-2026-42351

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 t…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (13.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Geopython Pygeoapi — versions >= 0.23.0, < 0.23.3

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-42351?: CVE-2026-42351 is a high-severity vulnerability in Geopython Pygeoapi, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-05-08.
How severe is CVE-2026-42351?: High severity. CVSS v3 base score is 7.5 out of 10.