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CNVD-2026-27552

Vulnerability from cnvd - Published: 2026-07-15

Title

IBM Langflow OSS服务端请求伪造漏洞

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存在服务端请求伪造漏洞，该漏洞源于URL组件中的Time-of-Check/Time-of-Use（TOCTOU）竞争条件，攻击者可利用该漏洞通过DNS重新绑定利用。

Severity

中

Patch Name

IBM Langflow OSS服务端请求伪造漏洞的补丁

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/7277560

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-10546

Impacted products

Name
IBM Langflow OSS >=1.0.0，<=1.9.3

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-10546",
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  "title": "IBM Langflow OSS\u670d\u52a1\u7aef\u8bf7\u6c42\u4f2a\u9020\u6f0f\u6d1e"
}

CVE-2026-10546 (GCVE-0-2026-10546)

Vulnerability from cvelistv5 – Published: 2026-06-30 19:54 – Updated: 2026-07-01 13:23

Title

DNS Rebinding TOCTOU Bypass of SSRF Protection in Langflow OSS URL Component

Summary

IBM Langflow OSS 1.0.0 through 1.9.3 contains a Server-Side Request Forgery (SSRF) vulnerability in the URL component ( src/lfx/src/lfx/components/data_source/url.py ) due to a Time-of-Check/Time-of-Use (TOCTOU) race condition that can be exploited via DNS rebinding.

Severity

7.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-01 13:23 UTC

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7277560	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
IBM	Langflow OSS	Affected: 1.0.0 , ≤ 1.9.3 (semver) cpe:2.3:a:ibm:langflow_oss:1.0.0:::::::* cpe:2.3:a:ibm:langflow_oss:1.9.3:::::::*

Show details on NVD website

JSON

To clipboard

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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.

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