CVE-2026-55170

LOWPre-NVD 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: CVSS: Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

OpenFGA Improper Policy Enforcement

Description

In OpenFGA, when MySQL is being used as the datastore, two distinct check requests can return the same response.

Preconditions

This applies if the following preconditions are met:

  • You run OpenFGA with MySQL as the datastore
  • Your authorization decisions rely on case-sensitive user strings.

Fix

Upgrade to OpenFGA 1.18.0 or greater.

Acknowledgements

OpenFGA would like to thank @sahajamoth for the detailed report.

CVSS v3
EG Score
0.0(none)
EPSS
KEV
Not listed

Published

June 18, 2026

Last Modified

June 18, 2026

Vendor Advisories for CVE-2026-55170(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/openfga/openfga1.18.0

Data Freshness Timeline

(refreshed 0× in last 7d / 1× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-06-18 15:07 UTCEG score recompute

Frequently asked(3)

What is CVE-2026-55170?
CVE-2026-55170 is a low vulnerability published on June 18, 2026. OpenFGA Improper Policy Enforcement Description In OpenFGA, when MySQL is being used as the datastore, two distinct check requests can return the same response. Preconditions This applies if the following preconditions are met: 1. You run OpenFGA with MySQL as the datastore 2. Your authorization…
When was CVE-2026-55170 disclosed?
CVE-2026-55170 was first published in the National Vulnerability Database on June 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
How do I remediate CVE-2026-55170?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-55170, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-55170

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Is Your Infrastructure Affected by CVE-2026-55170?

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