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Medium, CVSS 6.3

SpiceDB exclusions can result in no permission returned when permission expected

CVE-2024-38361GHSA-grjv-gjgr-66g2

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (github.com/authzed/spicedb 1.33.1), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
6.3 · CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N · score source
EPSS
  • CVE-2024-38361: 0.40% estimated exploitation activity in the next 30 days; percentile 33.82 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Background Use of an exclusion under an arrow that has multiple resources may resolve to NOPERMISSION when permission is expected. For example, given this schema: If the resource exists under multiple folders and the user has access to view more than a single folder, SpiceDB may report the user does not have access due to a failure in the exclusion dispatcher to request that all the folders in which the user is a member be returned Impact Permission is returned as NOPERMISSION when PERMISSION is expected on the CheckPermission API. Workarounds None

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-grjv-gjgr-66g2

Agent brief

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# Patch Next advisory brief: CVE-2024-38361

Advisory: SpiceDB exclusions can result in no permission returned when permission expected
IDs: CVE-2024-38361, GHSA-grjv-gjgr-66g2
Record: https://patchnext.com/advisories/cve-2024-38361 (revision 1, source checked 26 Oct 2026, 15:05 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: github.com/authzed/spicedb 1.33.1. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go github.com/authzed/spicedb: affected < 1.33.1; fixed in 1.33.1

## Suggested inspection (read-only)
- Go github.com/authzed/spicedb: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on github.com/authzed/spicedb.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-grjv-gjgr-66g2 (GitHub-reviewed advisory GHSA-grjv-gjgr-66g2 lists affected ranges: Go github.com/authzed/spicedb >=0 <1.33.1)

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