Vulnerability-Lookup

CNVD-2026-23400

Vulnerability from cnvd - Published: 2026-06-09

Title

IBM Langflow OSS文件处理组件路径遍历漏洞

Description

IBM Langflow OSS是一个开源的低代码工具，主要用于构建和部署基于大型语言模型（LLM）的应用。 IBM Langflow OSS存在路径遍历漏洞。该漏洞源于在解压归档文件时未能正确验证符号链接，攻击者可利用该漏洞通过构造恶意归档文件触发远程代码执行。

Severity

高

Patch Name

IBM Langflow OSS文件处理组件路径遍历漏洞的补丁

Patch Description

IBM Langflow OSS是一个开源的低代码工具，主要用于构建和部署基于大型语言模型（LLM）的应用。 IBM Langflow OSS存在路径遍历漏洞。该漏洞源于在解压归档文件时未能正确验证符号链接，攻击者可利用该漏洞通过构造恶意归档文件触发远程代码执行。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.ibm.com/support/pages/node/7273426

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-7524

Impacted products

Name
IBM Langflow OSS >=1.0.0，<=1.9.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-7524",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-7524"
    }
  },
  "description": "IBM Langflow OSS\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u4f4e\u4ee3\u7801\u5de5\u5177\uff0c\u4e3b\u8981\u7528\u4e8e\u6784\u5efa\u548c\u90e8\u7f72\u57fa\u4e8e\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u7684\u5e94\u7528\u3002\n\nIBM Langflow OSS\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u89e3\u538b\u5f52\u6863\u6587\u4ef6\u65f6\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u7b26\u53f7\u94fe\u63a5\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6784\u9020\u6076\u610f\u5f52\u6863\u6587\u4ef6\u89e6\u53d1\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.ibm.com/support/pages/node/7273426",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-23400",
  "openTime": "2026-06-09",
  "patchDescription": "IBM Langflow OSS\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u4f4e\u4ee3\u7801\u5de5\u5177\uff0c\u4e3b\u8981\u7528\u4e8e\u6784\u5efa\u548c\u90e8\u7f72\u57fa\u4e8e\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u7684\u5e94\u7528\u3002\r\n\r\nIBM Langflow OSS\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u89e3\u538b\u5f52\u6863\u6587\u4ef6\u65f6\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u7b26\u53f7\u94fe\u63a5\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6784\u9020\u6076\u610f\u5f52\u6863\u6587\u4ef6\u89e6\u53d1\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "IBM Langflow OSS\u6587\u4ef6\u5904\u7406\u7ec4\u4ef6\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "IBM Langflow OSS \u003e=1.0.0\uff0c\u003c=1.9.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-7524",
  "serverity": "\u9ad8",
  "submitTime": "2026-05-28",
  "title": "IBM Langflow OSS\u6587\u4ef6\u5904\u7406\u7ec4\u4ef6\u8def\u5f84\u904d\u5386\u6f0f\u6d1e"
}

CVE-2026-7524 (GCVE-0-2026-7524)

Vulnerability from cvelistv5 – Published: 2026-05-27 13:14 – Updated: 2026-05-28 13:26

Title

Path Traversal Vulnerability in File Processing Components Allows Unauthorized File System Access and Potential Remote Code Execution

Summary

IBM Langflow OSS 1.0.0 through 1.9.1 could allow remote code execution due to improper validation of symbolic links during archive extraction.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-28 03:55 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7273426	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
IBM	Langflow OSS	Affected: 1.0.0 , ≤ 1.9.1 (semver) cpe:2.3:a:ibm:langflow_oss:1.0.0:::::::* cpe:2.3:a:ibm:langflow_oss:1.9.1:::::::*

Credits

This vulnerability was reported to IBM by Ori Lahav (Rubrik Inc.) orilahav@tauex.tau.ac.il.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-7524",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-28T03:55:29.448956Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-28T13:26:42.977Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:langflow_oss:1.9.1:*:*:*:*:*:*:*"
          ],
          "product": "Langflow OSS",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "1.9.1",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "This vulnerability was reported to IBM by Ori Lahav (Rubrik Inc.) orilahav@tauex.tau.ac.il."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM Langflow OSS 1.0.0 through 1.9.1 could allow remote code execution due to improper validation of symbolic links during archive extraction.\u003c/p\u003e"
            }
          ],
          "value": "IBM Langflow OSS 1.0.0 through 1.9.1 could allow remote code execution due to improper validation of symbolic links during archive extraction."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "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": "2026-05-27T13:14:23.238Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://www.ibm.com/support/pages/node/7273426"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eIBM strongly recommends addressing the vulnerability now by upgrading \u003ca href=\"https://pypi.org/project/langflow/\" rel=\"nofollow\"\u003eLangflow OSS to version 1.9.2\u003c/a\u003e.\u003c/p\u003e"
            }
          ],
          "value": "IBM strongly recommends addressing the vulnerability now by upgrading  Langflow OSS to version 1.9.2 https://pypi.org/project/langflow/ ."
        }
      ],
      "title": "Path Traversal Vulnerability in File Processing Components Allows Unauthorized File System Access and Potential Remote Code Execution",
      "x_generator": {
        "engine": "ibm-cvegen"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-7524",
    "datePublished": "2026-05-27T13:14:23.238Z",
    "dateReserved": "2026-04-30T17:11:41.725Z",
    "dateUpdated": "2026-05-28T13:26:42.977Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2026-23400

CVE-2026-7524 (GCVE-0-2026-7524)

Tags

Sightings

Nomenclature

Related by attack behaviour