CVE-2026-10129 Details
Description
IBM Langflow OSS 1.0.0 through 1.9.3 contains a Server-Side Request Forgery (SSRF) protection bypass vulnerability in the API Request component. An authenticated attacker with low-level privileges (flow author role) can bypass SSRF protections by enabling the follow_redirects parameter and supplying a public URL that redirects to internal/localhost addresses. The vulnerability exists because the application validates only the initial URL but does not re-validate redirect destinations. This allows attackers to access internal HTTP services, localhost endpoints, cloud metadata services, and private network resources that should be unreachable when SSRF protection is enabled. Successful exploitation can lead to disclosure of sensitive information including credentials, tokens, internal API responses, and administrative panel data.
A Server-Side Request Forgery (SSRF) protection bypass vulnerability has been identified in IBM Langflow OSS versions 1.0.0 through 1.9.3. This vulnerability resides in the API Request component, where an authenticated attacker with low-level privileges (flow author role) can exploit the application by enabling the follow_redirects parameter and providing a public URL that redirects to internal or localhost addresses. The issue arises because the application only validates the initial URL and fails to re-validate redirect destinations, allowing access to internal HTTP services, localhost endpoints, cloud metadata services, and private network resources that should be protected. Exploitation of this vulnerability could lead to the unauthorized disclosure of sensitive information such as credentials, tokens, internal API responses, and data from administrative panels.
Users are advised to upgrade IBM Langflow OSS to version 1.10.0.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 1, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.ibm.com/support/pages/node/7277561 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-918 | Server-Side Request Forgery (SSRF) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| langflow langflow | >= 1.0.0, <= 1.9.3 |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 2, 2026 | Initial Analysis | [email protected] |
| Jul 1, 2026 | CVE Modified | CISA-ADP |
| Jun 30, 2026 | New CVE Received | [email protected] |