Vulnerability-Lookup

CVE-2026-13444 (GCVE-0-2026-13444)

Vulnerability from cvelistv5 – Published: 2026-07-30 18:38 – Updated: 2026-07-30 19:21

Title

Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints

Summary

IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to access another user's private vector documents by creating their own flow with matching Chroma persist_directory and collection_name values. The attacker receives exact victim content in their workflow output despite having no authorization to read the victim's flow. Additionally, the attacker can pollute the victim's collection by inserting their own documents into the shared namespace.

Severity

8.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-30 19:21 UTC

CWE

CWE-520 - .NET Misconfiguration: Use of Impersonation

Assigner

ibm CNA under the mitre root

CNA scorecard B 88/100 over 1308 records in the last 180 days details

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7279989	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version	CPE status
IBM	Langflow OSS	Affected: 1.0.0 , ≤ 1.10.1 (semver) cpe:2.3:a:ibm:langflow_oss:1.0.0:::::::* cpe:2.3:a:ibm:langflow_oss:1.10.1:::::::*

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JSON

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CNVD-2026-31198

Vulnerability from cnvd - Published: 2026-08-07

Title

IBM Langflow OSS配置错误漏洞

Description

IBM Langflow OSS是美国IBM公司的一个开源的低代码可视化AI工作流构建工具，它让开发者能通过拖拽组件的方式快速搭建、部署和迭代AI智能体与RAG应用，同时支持用Python进行深度定制以集成企业系统。 IBM Langflow OSS存在配置错误漏洞，该漏洞源于创建具有匹配的Chroma persist_directory和collection_name值的流，攻击者可利用该漏洞通过访问另一个用户的私有向量文档，并在工作流输出中接收受害者精确内容，同时还可以通过插入文档污染受害者集合。

Severity

高

Patch Name

IBM Langflow OSS配置错误漏洞的补丁

Patch Description

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/7279989

Reference

https://www.ibm.com/support/pages/node/7279989

Impacted products

Name
IBM Langflow OSS >=1.0.0，<=1.10.1

Show details on source website

JSON

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  "serverity": "\u9ad8",
  "submitTime": "2026-07-31",
  "title": "IBM Langflow OSS\u914d\u7f6e\u9519\u8bef\u6f0f\u6d1e"
}

FKIE_CVE-2026-13444

Vulnerability from fkie_nvd - Published: 2026-07-30 19:17 - Updated: 2026-10-23 22:10

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Summary

References

	URL	Tags
	psirt@us.ibm.com	https://www.ibm.com/support/pages/node/7279989	Vendor Advisory

Impacted products

	Vendor	Product	Version
	langflow	langflow	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:langflow_oss:1.10.1:*:*:*:*:*:*:*"
          ],
          "product": "Langflow OSS",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "1.10.1",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "362B13B6-4992-423F-98D3-60056848503C",
              "versionEndExcluding": "1.10.2",
              "versionStartIncluding": "1.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to access another user\u0027s private vector documents by creating their own flow with matching Chroma persist_directory and collection_name values. The attacker receives exact victim content in their workflow output despite having no authorization to read the victim\u0027s flow. Additionally, the attacker can pollute the victim\u0027s collection by inserting their own documents into the shared namespace."
    },
    {
      "lang": "es",
      "value": "IBM Langflow OSS 1.0.0 hasta 1.10.1 puede permitir a un atacante acceder a los documentos vectoriales privados de otro usuario creando su propio flujo con valores coincidentes de persist_directory y collection_name de Chroma. El atacante recibe el contenido exacto de la v\u00edctima en la salida de su flujo de trabajo a pesar de no tener autorizaci\u00f3n para leer el flujo de la v\u00edctima. Adem\u00e1s, el atacante puede contaminar la colecci\u00f3n de la v\u00edctima insertando sus propios documentos en el espacio de nombres compartido."
    }
  ],
  "id": "CVE-2026-13444",
  "lastModified": "2026-10-23T22:10:00.160",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-13444",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-30T19:21:03.779040Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-30T19:17:06.997",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/7279989"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-520"
        }
      ],
      "source": "psirt@us.ibm.com",
      "type": "Secondary"
    }
  ]
}

GHSA-VRQM-44RP-59J5

Vulnerability from github – Published: 2026-07-30 21:31 – Updated: 2026-07-30 21:31

Details

Severity

8.1 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-13444"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-520"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-30T19:17:06Z",
    "severity": "HIGH"
  },
  "details": "IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to access another user\u0027s private vector documents by creating their own flow with matching Chroma persist_directory and collection_name values. The attacker receives exact victim content in their workflow output despite having no authorization to read the victim\u0027s flow. Additionally, the attacker can pollute the victim\u0027s collection by inserting their own documents into the shared namespace.",
  "id": "GHSA-vrqm-44rp-59j5",
  "modified": "2026-07-30T21:31:48Z",
  "published": "2026-07-30T21:31:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-13444"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7279989"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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

CVE-2026-13444 (GCVE-0-2026-13444)

CNVD-2026-31198

FKIE_CVE-2026-13444

GHSA-VRQM-44RP-59J5

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour