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Critical, CVSS 9.3

Privilege Escalation in Cloud Native Computing Foundation Harbor

CVE-2019-19023GHSA-q6cj-6jvq-jwmh

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (github.com/goharbor/harbor 1.9.3, 1.8.6), 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.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
9.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
EPSS
  • CVE-2019-19023: 1.62% estimated exploitation activity in the next 30 days; percentile 76.07 (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.

Cloud Native Computing Foundation Harbor prior to 1.8.6 and 1.9.3 has a Privilege Escalation Vulnerability in the VMware Harbor Container Registry for the Pivotal Platform.

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

    Published from ghsa record GHSA-q6cj-6jvq-jwmh

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2019-19023

Advisory: Privilege Escalation in Cloud Native Computing Foundation Harbor
IDs: CVE-2019-19023, GHSA-q6cj-6jvq-jwmh
Record: https://patchnext.com/advisories/cve-2019-19023 (revision 1, source checked 26 Oct 2026, 14:54 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: github.com/goharbor/harbor 1.9.3, 1.8.6. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go github.com/goharbor/harbor: affected >= 1.7.0, < 1.8.6; >= 1.9.0, < 1.9.3; fixed in 1.8.6, 1.9.3

## Suggested inspection (read-only)
- Go github.com/goharbor/harbor: 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/goharbor/harbor.
- 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-q6cj-6jvq-jwmh (GitHub-reviewed advisory GHSA-q6cj-6jvq-jwmh lists affected ranges: Go github.com/goharbor/harbor >=1.7.0 =1.9.0 <1.9.3)

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