5.3

CVE-2022-39340: openfga Improper Authorization

CVSS: 5.3v3.1MediumModified
AliasesGHSA-95x7-mh78-7w2rGO-2022-1079
Published 25-10-2022Last modified 23-04-2025
Open JSON

Vulnerability summary

CVE-2022-39340 is a medium (CVSS 5.3) Improper Authorization vulnerability in openfga. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.76%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-10-2022
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

OpenFGA is an authorization/permission engine. Prior to version 0.2.4, the `streamed-list-objects` endpoint was not validating the authorization header, resulting in disclosure of objects in the store. Users `openfga/openfga` versions 0.2.3 and prior who are exposing the OpenFGA service to the internet are vulnerable. Version 0.2.4 contains a patch for this issue.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.76%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

+0.03 pp

From 0.73% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.76%

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

Github.com/openfga1 product
  • openfga< 0.2.4
Openfga1 product

2 vendors · 2 products

References

5 links