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Vulnerability record · CVE-2026-8183 · published 5 August 2026

CVE-2026-8183: Langflow path traversal vulnerability

Langflow · Langflow

IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to v i ew arbitrary files on the system.

7.7 CVSS 3.1 High EPSS 0.56% · top 55.6% CWE-22 · Path traversal
7.7CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
6 Aug 2026Last modified by NVD

Description

IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to v i ew arbitrary files on the system.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.ibm.com/support/pages/node/7282647 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-9198Langflow auto_login and code validation chain enables unauthenticated RCEIBM Langflow OSS 1.0.0 through 1.10.0 exposes /api/v1/auto_login, which mints SUPERUSER tokens to any network caller, and /api/v1/validate/code, whic…KEVEPSS 29%analysed9.8CVE-2026-0770Langflow validate endpoint exec_globals remote code executionLangflow mishandles the exec_globals parameter passed to its validate endpoint, allowing functionality from an untrusted control sphere to be include…KEVEPSS 64%analysed9.8CVE-2025-3248Langflow unauthenticated code injection in validate/code endpointLangflow versions prior to 1.3.0 expose the /api/v1/validate/code endpoint without authentication, allowing code injection. A remote attacker can sen…KEVEPSS 100%analysed9.4CVE-2025-34291Langflow CORS misconfiguration leads to token theft and RCELangflow up to and including 1.6.9 ships an overly permissive CORS configuration (allow_origins='*' with allow_credentials=True) and a refresh token …KEVEPSS 93%analysed9.3CVE-2026-33017Langflow build_public_tmp endpoint unauthenticated remote code executionLangflow versions prior to 1.9.0 expose the POST /api/v1/build_public_tmp/{flow_id}/flow endpoint without authentication, and when the optional data …KEVEPSS 25%analysed8.4CVE-2026-55255Langflow IDOR in responses endpoint allows cross-user flow executionLangflow before 1.9.1 has an insecure direct object reference in the /api/v1/responses endpoint. An authenticated attacker can supply another user's …KEVEPSS 0.89%analysed10.0CVE-2026-10134Langflow code injection vulnerabilityIBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read and modify every flow, conversat…EPSS 0.64%10.0CVE-2026-10561Langflow code injection vulnerabilityIBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined with an authentication bypass tha…EPSS 1.0%

Source: NIST National Vulnerability Database (record CVE-2026-8183), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.