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CVE-2026-10546

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

Published: Jun 30, 2026Updated: Jul 2, 2026 Sources: CVE List NVDCWE-918
7.1HIGH
NVD MITRE
EPSS Score
0.1%
Top 95.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:CC:HI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-918

Affected Products

IBM
commercial·USaka international business machines
Langflow OSSOn-prem
OSS Libraries / generic-library
langflow
commercialaka langflow-base, langflow desktop
langflowSaaS
AI / ML / ai-agent-tooling

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Command and Control
Initial Access
View detailed technique mapping

References

https://www.ibm.com/support/pages/node/7277560
ibm.com

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