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Bazarr Arbitrary file read in /system/backup/download/ endpoint

Type: advisorySources: OSV

Bazarr manages and downloads subtitles. Prior to 1.3.1, Bazarr contains an arbitrary file read in /system/backup/download/ endpoint in bazarr/app/ui.py does not validate the user-controlled filename variable and uses it in the send_file function, which leads to an arbitrary file read on the system. This issue is fixed in version 1.3.1.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-50264
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 13:37 UTC · Revision 1

Source evidence

Bazarr Arbitrary file read in /system/backup/download/ endpoint

core-osv · Original source

Published 15 Dec 2023, 20:42 UTC

Bazarr manages and downloads subtitles. Prior to 1.3.1, Bazarr contains an arbitrary file read in /system/backup/download/ endpoint in bazarr/app/ui.py does not validate the user-controlled filename variable and uses it in the send_file function, which leads to an arbitrary file read on the system. This issue is fixed in version 1.3.1.

osv:CVE-2023-50264
Complete source record
{
  "id": "eff4a6a1a1b7c63809669c7434431a169772d0ffa25300906d02e83a475e6b82",
  "url": "https://osv.dev/vulnerability/CVE-2023-50264",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Bazarr Arbitrary file read in /system/backup/download/ endpoint",
    "summary": "Bazarr manages and downloads subtitles. Prior to 1.3.1, Bazarr contains an arbitrary file read in /system/backup/download/ endpoint in bazarr/app/ui.py does not validate the user-controlled filename variable and uses it in the send_file function, which leads to an arbitrary file read on the system. This issue is fixed in version 1.3.1.",
    "evidence": "osv:CVE-2023-50264",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-50264",
      "aliases": [
        "CVE-2023-50264"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/morpheus65535/bazarr",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "d6579417ba3b3555bff3af446bef8a56e2d7a7c6"
                },
                {
                  "fixed": "17add7fbb3ae1919a40d505470d499d46df9ae6b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bazarr:bazarr:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.3.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "17add7fbb3ae1919a40d505470d499d46df9ae6b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d6579417ba3b3555bff3af446bef8a56e2d7a7c6"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.3.1"
                  }
                ]
              }
            }
          ],
          "versions": [
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            "v1.2.5-beta.26",
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            "v0.8.2.4",
            "v0.8.2.3",
            "v0.8.2.2",
            "v0.8.2.1",
            "v0.8.2",
            "v0.8",
            "v0.7.2.1",
            "v0.7.2",
            "v0.6.5",
            "v0.6.4",
            "v0.6.3",
            "v0.6.2",
            "v0.6.1",
            "v0.6.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-50264.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:36.263284452Z",
      "provider": "osv",
      "references": [
        "https://github.com/morpheus65535/bazarr/releases/tag/v1.3.1",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50264.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-50264",
        "https://securitylab.github.com/advisories/GHSL-2023-192_GHSL-2023-194_bazarr/",
        "https://github.com/morpheus65535/bazarr/commit/17add7fbb3ae1919a40d505470d499d46df9ae6b"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/50xxx/CVE-2023-50264.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-50264",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 503196,
  "published_at": "2023-12-15T20:42:22.304+00:00"
}