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Medium, CVSS 4.9

Juju controller - Arbitrary file reading vulnerability

CVE-2023-0092GHSA-x5rv-w9pm-8qp8

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (github.com/juju/juju 3.0.3, 2.9.38), 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
4.9 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS
  • CVE-2023-0092: 0.63% estimated exploitation activity in the next 30 days; percentile 50.12 (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.

Impact An authenticated user who has read access to the juju controller model, may construct a remote request to download an arbitrary file from the controller's filesystem. Patches Patched in juju 2.9.38 and juju 3.0.3 juju/juju#ef803e2 Workarounds Limit read access to the controller model to only trusted users.

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

    Published from ghsa record GHSA-x5rv-w9pm-8qp8

Agent brief

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# Patch Next advisory brief: CVE-2023-0092

Advisory: Juju controller - Arbitrary file reading vulnerability
IDs: CVE-2023-0092, GHSA-x5rv-w9pm-8qp8
Record: https://patchnext.com/advisories/cve-2023-0092 (revision 1, source checked 26 Oct 2026, 15:08 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 4.9)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: github.com/juju/juju 3.0.3, 2.9.38. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go github.com/juju/juju: affected >= 2.9.22, < 2.9.38; >= 3.0.0, < 3.0.3; fixed in 3.0.3, 2.9.38

## Suggested inspection (read-only)
- Go github.com/juju/juju: 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/juju/juju.
- 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-x5rv-w9pm-8qp8 (GitHub-reviewed advisory GHSA-x5rv-w9pm-8qp8 lists affected ranges: Go github.com/juju/juju >=2.9.22 =3.0.0 <3.0.3)

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