CVE-2026-10546
DNS Rebinding TOCTOU Bypass of SSRF Protection in Langflow OSS URL Component
- State
- Published
- Severity
- 7.1 High
- Published
- Jun 30, 2026
- Updated
- Jul 1, 2026
- Reserved
- Jun 1, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N | ibm |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
Langflow OSSIBM |
|
References
- https://www.ibm.com/support/pages/node/7277560vendor-advisorypatch
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