CVE-2025-64751: openfga helm_charts Improper Authorization
Vulnerability summary
CVE-2025-64751 is a high (CVSS 8.8) Improper Authorization vulnerability in openfga helm_charts. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 6 · Related 7Timeline
- 21-11-2025PublishedVulnerability first disclosed.
- 24-11-2025Last modifiedVulnerability information updated.
Description
OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. OpenFGA v1.4.0 to v1.11.0 ( openfga-0.1.34 <= Helm chart <= openfga-0.2.48, v.1.4.0 <= docker <= v.1.11.0) are vulnerable to improper policy enforcement when certain Check and ListObject calls are executed. This issue has been patched in version 1.11.1.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · GoEcosystem advisory · calculated5.8MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
- OSV · ChainguardEcosystem advisory · calculated5.8MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
- NVDNIST5.8MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard15 products
- commercial-grafana-11.6All versions (No fix recorded)
- commercial-grafana-12.1All versions (No fix recorded)
- grafana-11.3All versions (No fix recorded)
- grafana-11.4All versions (No fix recorded)
- grafana-11.5All versions (No fix recorded)
Openfga2 products
- helm_charts≥ 0.1.34, < 0.2.49
- openfga≥ 1.4.0, < 1.11.1
Github.com/openfga1 product
- openfga≥ 1.4.0, < 1.11.1
3 vendors · 18 products
References
5 links- github.com/openfga/openfga/security/advisories/GHSA-2c64-vmv2-hgfcX Refsource CONFIRMWEBAdvisoryVendor Advisory
- github.com/openfga/openfgaPACKAGE