CVE-2026-93336 (GCVE-0-2026-93336)
Vulnerability from cvelistv5
Published
2026-10-22 17:32
Modified
2026-10-22 17:32
CWE
Summary
Missing authorization in the unit resources download route in Canonical Juju 4.0 through 4.0.15 allows a controller-authenticated principal (a unit agent, or a user with only login permission) to read any application's charm resource in any model,  including container-registry credentials, via a crafted request naming an arbitrary unit.
Impacted products
Vendor Product Version
Canonical Juju Version: 4.0   ≤
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://canonical.com/juju",
          "defaultStatus": "unaffected",
          "packageName": "juju",
          "platforms": [
            "Linux"
          ],
          "product": "Juju",
          "repo": "https://github.com/juju/juju",
          "vendor": "Canonical",
          "versions": [
            {
              "lessThan": "4.0.16",
              "status": "affected",
              "version": "4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Eurico Nicacio"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Missing authorization in the unit resources download route in Canonical Juju\u00a04.0 through 4.0.15 allows a controller-authenticated principal (a unit agent,\u00a0or a user with only login permission) to read any application\u0027s charm resource\u00a0in any model,\u00a0 including container-registry credentials, via a crafted request\u00a0naming an arbitrary unit."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-1",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-22T17:32:13.820Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/juju/juju/security/advisories/GHSA-fp7x-6hq5-3c3w"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/juju/juju/pull/23360"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Missing authorization in the unit resources download route in Juju controllers",
      "x_generator": {
        "engine": "cvelib 1.8.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2026-93336",
    "datePublished": "2026-10-22T17:32:13.820Z",
    "dateReserved": "2026-09-17T18:37:26.952Z",
    "dateUpdated": "2026-10-22T17:32:13.820Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…