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CVE-2026-18894— Langflow OSS is affected by multiple vulnerabilities

Quick assessment

Affected
IBM Langflow OSS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM Langflow OSS 1.0.0 至 1.12.4 版本可能允许远程攻击者触发公共工作流中已存储的 Python 组件代码，并在服务器进程中以工作流所有者的运行时上下文执行该代码。此行为绕过了预期的信任边界，该边界本应限制公共执行路径仅能运行服务器信任的组件代码。

CVSS 6.5 · Medium EPSS 0.43% · P37

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM Langflow OSS 1.0.0≤ 1.12.4 affected
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I. Basic Information for CVE-2026-18894

Vulnerability Information
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Vulnerability Title
Langflow OSS is affected by multiple vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote attacker to trigger pre-existing stored Python component code in a public workflow, executing it under the flow owner's runtime context within the server process. This bypasses the intended trust boundary where public execution paths are restricted to server-trusted component code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Langflow OSS 1.0.0 ~ 1.12.4 cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18894

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III. Intelligence Information for CVE-2026-18894

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Vendor Advisories for CVE-2026-18894 (1)

Same Patch Batch · IBM · 2026-10-29 · 33 CVEs total

CVE-2026-107329 9.9 CRITICAL Langflow OSS is affected by multiple vulnerabilities
CVE-2026-107328 9.9 CRITICAL Langflow OSS is affected by multiple vulnerabilities
CVE-2026-107327 9.9 CRITICAL Langflow OSS is affected by multiple vulnerabilities
CVE-2026-93680 9.8 CRITICAL Langflow OSS is affected by multiple vulnerabilities
CVE-2026-110186 9.8 CRITICAL Langflow OSS is affected by multiple vulnerabilities
CVE-2026-104339 9.8 CRITICAL Langflow OSS is affected by multiple vulnerabilities
CVE-2026-104328 8.8 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-110309 8.8 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-110244 8.8 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-110196 8.8 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-110193 8.8 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-107326 8.8 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-104324 8.8 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-101288 8.8 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-103092 8.5 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-104317 8.1 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-110245 7.5 HIGH Langflow OSS is affected by multiple vulnerabilities
CVE-2026-77819 6.5 MEDIUM Langflow OSS is affected by multiple vulnerabilities
CVE-2026-104316 6.5 MEDIUM Langflow OSS is affected by multiple vulnerabilities
CVE-2026-90991 6.5 MEDIUM Langflow OSS is affected by multiple vulnerabilities

Showing top 20 of 33 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Langflow OSS
Same vendor: IBM
Same weakness: CWE-94