6.5

CVE-2026-40293: openfga

CVSS: 6.5v3.1MediumModified
AliasesCGA-365p-4qvf-vpvhCGA-574m-38wj-q8x3CGA-62ch-wfjq-6m7h
Published 17-04-2026Last modified 09-09-2026

Vulnerability summary

CVE-2026-40293 is a medium (CVSS 6.5) vulnerability in openfga. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.6% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.50%
0%100%
Low · +0.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 2

Timeline

  1. 17-04-2026
    PublishedVulnerability first disclosed.
  2. 09-09-2026
    Last modifiedVulnerability information updated.

Description

OpenFGA is an authorization/permission engine built for developers. In versions 0.1.4 through 1.13.1, when OpenFGA is configured to use preshared-key authentication with the built-in playground enabled, the local server includes the preshared API key in the HTML response of the /playground endpoint. The /playground endpoint is enabled by default and does not require authentication. It is intended for local development and debugging and is not designed to be exposed to production environments. Only those who run OpenFGA with `--authn-method` preshared, with the playground enabled, and with the playground endpoint accessible beyond localhost or trusted networks are vulnerable. To remediate the issue, users should upgrade to OpenFGA v1.14.0, or disable the playground by running `./openfga run --playground-enabled=false.`

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

+0.21 pp

From 0.29% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.50%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard18 products
  • commercial-grafana-11.6All versions (No fix recorded)
  • commercial-grafana-12.1All versions (No fix recorded)
  • commercial-grafana-12.2< 12.2.10-r0
  • commercial-grafana-12.3< 12.3.8-r0
  • commercial-grafana-12.4< 12.4.5-r0
Wolfi2 products
  • grafana-12.3< 12.3.6-r2
  • openfga< 1.14.2-r0
Github.com/openfga1 product
  • openfga≥ 0.1.4, < 1.14.0
Openfga1 product

4 vendors · 22 products

References

11 links
Show all 11 references