Medium severity · published Aug 5, 2026
CVE-2026-7646
Langflow is affected by security vulnerabilities in Model Context Protocol features
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
IBM Langflow OSS 1.0.0 through 1.10.3 allows users to read arbitrary files from the server filesystem, including other users' uploaded documents, the JWT signing secret, the SQLite database, and process environment variables, by sending a crafted MCP `resources/read` request with a URL-encoded path traversal sequence in the filename.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LO
Langflow OSS · IBM
1.0.0 through 1.10.3 · source: vendor
LA
Langflow · Langflow
1.0.0 before 1.11.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7646
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7646
Vendor Advisory
https://www.ibm.com/support/pages/node/7282147
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