{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-33497",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-24T17:45:18.228324Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-24T17:45:26.314Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "langflow",
          "vendor": "langflow-ai",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.7.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.7.1, in the download_profile_picture function of the /profile_pictures/{folder_name}/{file_name} endpoint, the folder_name and file_name parameters are not strictly filtered, which allows the secret_key to be read across directories. Version 1.7.1 contains a patch."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-24T13:14:39.647Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-ph9w-r52h-28p7",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-ph9w-r52h-28p7"
        }
      ],
      "source": {
        "advisory": "GHSA-ph9w-r52h-28p7",
        "discovery": "UNKNOWN"
      },
      "title": "Langflow: /profile_pictures/{folder_name}/{file_name} endpoint file reading"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-33497",
    "datePublished": "2026-03-24T13:14:39.647Z",
    "dateReserved": "2026-03-20T16:59:08.887Z",
    "dateUpdated": "2026-03-24T17:45:26.314Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "langflow"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-33497"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-20T20:56:14Z",
    "nvd_published_at": "2026-03-24T14:16:30Z",
    "severity": "HIGH"
  },
  "details": "## Vulnerability\n\n### Path Traversal in `GET /api/v1/files/profile_pictures/{folder_name}/{file_name}`\n\nThe `download_profile_picture` function in `src/backend/base/langflow/api/v1/files.py` constructed file paths by directly concatenating the user-supplied `folder_name` and `file_name` path parameters without sanitization or boundary validation. The resulting path was passed to the filesystem without verifying it remained within the intended directory.\n\nAn unauthenticated attacker could supply traversal sequences (e.g. `../secret_key`) to navigate outside the profile pictures directory and read arbitrary files on the server filesystem.\n\nThis exposed the server to:\n\n- **Sensitive file disclosure** \u2014 any file readable by the application process could be retrieved\n- **Secret key exfiltration** \u2014 the application\u0027s `secret_key` file, used as JWT signing material, could be read directly via `../secret_key`\n- **Authentication bypass** \u2014 with the `secret_key` in hand, an attacker can forge valid JWT tokens and authenticate as any user, including administrators\n\n---\n\n## Proof of Concept\n\n```bash\ncurl --path-as-is \u0027http://\u003chost\u003e:7860/api/v1/files/profile_pictures/../secret_key\u0027\n```\n\nA successful response returns the raw secret key value used to sign all JWT authentication tokens in the instance.\n\n---\n\n## Fix\n\nThe fix was applied in `src/backend/base/langflow/api/v1/files.py` (PR #12263).\n\nTwo layers of defense were introduced:\n\n**1. Typed path validation** \u2014 the `folder_name` and `file_name` parameters were changed from plain `str` to `ValidatedFolderName` and `ValidatedFileName` annotated types that reject traversal characters at the FastAPI input layer.\n\n**2. Path containment check** \u2014 `Path.name` is used to strip any directory component from the inputs before path construction, and `Path.is_relative_to()` verifies the resolved path remains within the allowed base directory. This replaces the previous `startswith()` check, which was susceptible to prefix-ambiguity bugs.\n\n```diff\n @router.get(\"/profile_pictures/{folder_name}/{file_name}\")\n async def download_profile_picture(\n-    folder_name: str,\n-    file_name: str,\n+    folder_name: ValidatedFolderName,\n+    file_name: ValidatedFileName,\n     settings_service: Annotated[SettingsService, Depends(get_settings_service)],\n ):\n```\n\n```diff\n-        file_path = (config_path / \"profile_pictures\" / folder_name / file_name).resolve()\n+        safe_folder = Path(folder_name).name\n+        safe_file = Path(file_name).name\n+        file_path = (config_path / \"profile_pictures\" / safe_folder / safe_file).resolve()\n\n         allowed_base = (config_path / \"profile_pictures\").resolve()\n-        if not str(file_path).startswith(str(allowed_base)):\n-            raise HTTPException(status_code=404, detail=\"Profile picture not found\")\n+        if not file_path.is_relative_to(allowed_base):\n+            raise HTTPException(status_code=404, detail=\"Profile picture not found\")\n```\n\n---\n\n## Workarounds\n\nIf you cannot upgrade immediately, restrict network access to the `/api/v1/files/profile_pictures/` endpoint at the reverse-proxy or firewall level. Rotating the `secret_key` is strongly recommended if exposure cannot be ruled out.\n\n---\n\n## Acknowledgements\n\nWe thank the security researcher who responsibly disclosed this vulnerability.\n\n- [r00tuser111](https://github.com/r00tuser111)",
  "id": "GHSA-ph9w-r52h-28p7",
  "modified": "2026-06-06T00:56:31Z",
  "published": "2026-03-20T20:56:14Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-ph9w-r52h-28p7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33497"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/langflow-ai/langflow"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/langflow/PYSEC-2026-81.yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "langflow: /profile_pictures/{folder_name}/{file_name} endpoint file reading"
}