What is CVE-2026-33729?

CVE-2026-33729 is a critical-severity vulnerability in Openfga, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-03-27.

How severe is CVE-2026-33729?

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

Improper input validation in Openfga

CVE-2026-33729

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. In versions prior to 1.13.1, under specific conditions, models using conditions with caching enabled can resul…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (15.3th percentile) — read the EPSS interpretation.

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

Openfga — versions < 1.13.1

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-33729?: CVE-2026-33729 is a critical-severity vulnerability in Openfga, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-03-27.
How severe is CVE-2026-33729?: Critical severity. CVSS v3 base score is 9.8 out of 10.