Vulnerability-Lookup

CNVD-2026-32368

Vulnerability from cnvd - Published: 2026-08-18

Title

IBM Langflow OSS代码执行漏洞

Description

IBM Langflow OSS是IBM官方集成并推广使用的‌Langflow开源版本。 IBM Langflow OSS存在代码执行漏洞，该漏洞源于自定义组件验证机制使用截断的SHA-256哈希进行代码校验，哈希比较仅依赖摘要部分导致存在碰撞风险，攻击者可利用该漏洞构造与可信模板哈希冲突的恶意组件代码，绕过强化模式验证并在Langflow进程中执行任意Python代码。

Severity

高

Patch Name

IBM Langflow OSS代码执行漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网: https://www.ibm.com/support/pages/node/7282646

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-9201

Impacted products

Name
IBM Langflow OSS >=1.0.0，<=1.10.3

Show details on source website

JSON

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-9201",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-9201"
    }
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  "description": "IBM Langflow OSS\u662fIBM\u5b98\u65b9\u96c6\u6210\u5e76\u63a8\u5e7f\u4f7f\u7528\u7684\u200cLangflow\u5f00\u6e90\u7248\u672c\u3002\n\nIBM Langflow OSS\u5b58\u5728\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u9a8c\u8bc1\u673a\u5236\u4f7f\u7528\u622a\u65ad\u7684SHA-256\u54c8\u5e0c\u8fdb\u884c\u4ee3\u7801\u6821\u9a8c\uff0c\u54c8\u5e0c\u6bd4\u8f83\u4ec5\u4f9d\u8d56\u6458\u8981\u90e8\u5206\u5bfc\u81f4\u5b58\u5728\u78b0\u649e\u98ce\u9669\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6784\u9020\u4e0e\u53ef\u4fe1\u6a21\u677f\u54c8\u5e0c\u51b2\u7a81\u7684\u6076\u610f\u7ec4\u4ef6\u4ee3\u7801\uff0c\u7ed5\u8fc7\u5f3a\u5316\u6a21\u5f0f\u9a8c\u8bc1\u5e76\u5728Langflow\u8fdb\u7a0b\u4e2d\u6267\u884c\u4efb\u610fPython\u4ee3\u7801\u3002",
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  "number": "CNVD-2026-32368",
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  "serverity": "\u9ad8",
  "submitTime": "2026-08-06",
  "title": "IBM Langflow OSS\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2026-9201 (GCVE-0-2026-9201)

Vulnerability from cvelistv5 – Published: 2026-08-05 18:26 – Updated: 2026-08-17 18:07

Title

Langflow OSS is affected by arbitrary code execution in component generation, validation, and custom component handling

Summary

IBM Langflow OSS 1.0.0 through 1.10.3 could allow an authenticated attacker to execute arbitrary code due to a cryptographic weakness in the custom component validation mechanism. When the optional hardening mode that restricts execution to trusted component templates is enabled, the application validates component code using a truncated SHA‑256 hash. Because the hash comparison relies on only a portion of the digest, an attacker can craft malicious component code that collides with a trusted template hash and bypasses validation. Successful exploitation allows the attacker to introduce and execute unauthorized Python code within the Langflow process, defeating the intended security control and potentially leading to full compromise of the affected instance.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-05 00:00 UTC

CWE

CWE-326 - Inadequate Encryption Strength

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7282646	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
IBM	Langflow OSS	Affected: 1.0.0 , ≤ 1.10.3 (semver) cpe:2.3:a:ibm:langflow_oss:1.0.0:::::::* cpe:2.3:a:ibm:langflow_oss:1.10.3:::::::*

Credits

CVE-2026-9201 was reported to IBM by Harish Kolla (GitHub: Har1sh-k (https://github.com/Har1sh-k)).

Show details on NVD website

JSON

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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.

Detection rules are retrieved from Rulezet.

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.