What is CVE-2026-65700?

CVE-2026-65700 is a critical-severity vulnerability in H2oai H2ogpt, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-07-23.

How severe is CVE-2026-65700?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Path Traversal in H2oai H2ogpt

CVE-2026-65700

h2oGPT through 0.2.1 contains a path traversal vulnerability in the OpenAI-compatible files API that allows unauthenticated remote attackers to read, write, and delete arbitrary files accessible to the server process by supplying traversal…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

H2oai H2ogpt — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-65700?: CVE-2026-65700 is a critical-severity vulnerability in H2oai H2ogpt, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-07-23.
How severe is CVE-2026-65700?: Critical severity. CVSS v3 base score is 9.8 out of 10.