CVE-2026-27457 (GCVE-0-2026-27457)

Vulnerability from cvelistv5 – Published: 2026-02-26 21:56 – Updated: 2026-03-03 01:39
VLAI?
Title
Weblate: Missing access control for the AddonViewSet API exposes all addon configurations
Summary
Weblate is a web based localization tool. Prior to version 5.16.1, the REST API's `AddonViewSet` (`weblate/api/views.py`, line 2831) uses `queryset = Addon.objects.all()` without overriding `get_queryset()` to scope results by user permissions. This allows any authenticated user (or anonymous users if `REQUIRE_LOGIN` is not set) to list and retrieve ALL addons across all projects and components via `GET /api/addons/` and `GET /api/addons/{id}/`. Version 5.16.1 fixes the issue.
Severity ?
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-862 - Missing Authorization
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
Vendor Product Version
WeblateOrg weblate Affected: < 5.16.1
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-27457",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-03T01:39:25.302136Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-03T01:39:37.771Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "weblate",
          "vendor": "WeblateOrg",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 5.16.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Weblate is a web based localization tool. Prior to version 5.16.1, the REST API\u0027s `AddonViewSet` (`weblate/api/views.py`, line 2831) uses `queryset = Addon.objects.all()` without overriding `get_queryset()` to scope results by user permissions. This allows any authenticated user (or anonymous users if `REQUIRE_LOGIN` is not set) to list and retrieve ALL addons across all projects and components via `GET /api/addons/` and `GET /api/addons/{id}/`. Version 5.16.1 fixes the issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862: Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-26T21:56:03.220Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-wppc-7cq7-cgfv",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-wppc-7cq7-cgfv"
        },
        {
          "name": "https://github.com/WeblateOrg/weblate/pull/18107",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/weblate/pull/18107"
        },
        {
          "name": "https://github.com/WeblateOrg/weblate/pull/18164",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/weblate/pull/18164"
        },
        {
          "name": "https://github.com/WeblateOrg/weblate/commit/3f58f9a4152bc0cbdd6eff5954f9c7bc4d9f0af9",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/weblate/commit/3f58f9a4152bc0cbdd6eff5954f9c7bc4d9f0af9"
        },
        {
          "name": "https://github.com/WeblateOrg/weblate/commit/7802c9b121eb407c48d4adddd4f2458fb3efef0f",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/weblate/commit/7802c9b121eb407c48d4adddd4f2458fb3efef0f"
        },
        {
          "name": "https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.16.1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.16.1"
        }
      ],
      "source": {
        "advisory": "GHSA-wppc-7cq7-cgfv",
        "discovery": "UNKNOWN"
      },
      "title": "Weblate: Missing access control for the AddonViewSet API exposes all addon configurations"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-27457",
    "datePublished": "2026-02-26T21:56:03.220Z",
    "dateReserved": "2026-02-19T17:25:31.100Z",
    "dateUpdated": "2026-03-03T01:39:37.771Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-27457\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-02-26T22:20:48.133\",\"lastModified\":\"2026-02-27T17:05:12.150\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Weblate is a web based localization tool. Prior to version 5.16.1, the REST API\u0027s `AddonViewSet` (`weblate/api/views.py`, line 2831) uses `queryset = Addon.objects.all()` without overriding `get_queryset()` to scope results by user permissions. This allows any authenticated user (or anonymous users if `REQUIRE_LOGIN` is not set) to list and retrieve ALL addons across all projects and components via `GET /api/addons/` and `GET /api/addons/{id}/`. Version 5.16.1 fixes the issue.\"},{\"lang\":\"es\",\"value\":\"Weblate es una herramienta de localizaci\u00f3n basada en web. Antes de la versi\u00f3n 5.16.1, el `AddonViewSet` de la API REST (`weblate/api/views.py`, l\u00ednea 2831) utiliza `queryset = Addon.objects.all()` sin sobrescribir `get_queryset()` para limitar el alcance de los resultados por permisos de usuario. Esto permite a cualquier usuario autenticado (o usuarios an\u00f3nimos si `REQUIRE_LOGIN` no est\u00e1 configurado) listar y recuperar TODOS los complementos en todos los proyectos y componentes a trav\u00e9s de `GET /api/addons/` y `GET /api/addons/{id}/`. La versi\u00f3n 5.16.1 soluciona el problema.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"},{\"lang\":\"en\",\"value\":\"CWE-862\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:weblate:weblate:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.16.1\",\"matchCriteriaId\":\"CFDB43E7-50FD-4502-A4AB-338C87AD180C\"}]}]}],\"references\":[{\"url\":\"https://github.com/WeblateOrg/weblate/commit/3f58f9a4152bc0cbdd6eff5954f9c7bc4d9f0af9\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/WeblateOrg/weblate/commit/7802c9b121eb407c48d4adddd4f2458fb3efef0f\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/WeblateOrg/weblate/pull/18107\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/WeblateOrg/weblate/pull/18164\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.16.1\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Product\",\"Release Notes\"]},{\"url\":\"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-wppc-7cq7-cgfv\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"cna\": {\"title\": \"Weblate: Missing access control for the AddonViewSet API exposes all addon configurations\", \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-862\", \"lang\": \"en\", \"description\": \"CWE-862: Missing Authorization\", \"type\": \"CWE\"}]}, {\"descriptions\": [{\"cweId\": \"CWE-200\", \"lang\": \"en\", \"description\": \"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor\", \"type\": \"CWE\"}]}], \"metrics\": [{\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"NONE\", \"baseScore\": 4.3, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N\", \"version\": \"3.1\"}}], \"references\": [{\"name\": \"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-wppc-7cq7-cgfv\", \"tags\": [\"x_refsource_CONFIRM\"], \"url\": \"https://github.com/WeblateOrg/weblate/security/advisories/GHSA-wppc-7cq7-cgfv\"}, {\"name\": \"https://github.com/WeblateOrg/weblate/pull/18107\", \"tags\": [\"x_refsource_MISC\"], \"url\": \"https://github.com/WeblateOrg/weblate/pull/18107\"}, {\"name\": \"https://github.com/WeblateOrg/weblate/pull/18164\", \"tags\": [\"x_refsource_MISC\"], \"url\": \"https://github.com/WeblateOrg/weblate/pull/18164\"}, {\"name\": \"https://github.com/WeblateOrg/weblate/commit/3f58f9a4152bc0cbdd6eff5954f9c7bc4d9f0af9\", \"tags\": [\"x_refsource_MISC\"], \"url\": \"https://github.com/WeblateOrg/weblate/commit/3f58f9a4152bc0cbdd6eff5954f9c7bc4d9f0af9\"}, {\"name\": \"https://github.com/WeblateOrg/weblate/commit/7802c9b121eb407c48d4adddd4f2458fb3efef0f\", \"tags\": [\"x_refsource_MISC\"], \"url\": \"https://github.com/WeblateOrg/weblate/commit/7802c9b121eb407c48d4adddd4f2458fb3efef0f\"}, {\"name\": \"https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.16.1\", \"tags\": [\"x_refsource_MISC\"], \"url\": \"https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.16.1\"}], \"affected\": [{\"vendor\": \"WeblateOrg\", \"product\": \"weblate\", \"versions\": [{\"version\": \"\u003c 5.16.1\", \"status\": \"affected\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-02-26T21:56:03.220Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Weblate is a web based localization tool. Prior to version 5.16.1, the REST API\u0027s `AddonViewSet` (`weblate/api/views.py`, line 2831) uses `queryset = Addon.objects.all()` without overriding `get_queryset()` to scope results by user permissions. This allows any authenticated user (or anonymous users if `REQUIRE_LOGIN` is not set) to list and retrieve ALL addons across all projects and components via `GET /api/addons/` and `GET /api/addons/{id}/`. Version 5.16.1 fixes the issue.\"}], \"source\": {\"advisory\": \"GHSA-wppc-7cq7-cgfv\", \"discovery\": \"UNKNOWN\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-27457\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-03T01:39:25.302136Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-03T01:39:33.624Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-27457\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"GitHub_M\", \"dateReserved\": \"2026-02-19T17:25:31.100Z\", \"datePublished\": \"2026-02-26T21:56:03.220Z\", \"dateUpdated\": \"2026-03-03T01:39:37.771Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.