CVE-2026-8476: IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching m
Summary
IBM Langflow OSS versions 1.0.0 through 1.10.0 have a critical vulnerability in their caching system that allows attackers to run arbitrary code on the server. The problem occurs because the software uses an unsafe deserialization method (pickle.loads(), which converts stored data back into Python objects without checking if it's trustworthy) to load cached data from disk, and attackers can exploit this by inserting malicious data through file access, workflow inputs, or API calls.
Vulnerability Details
9.9(critical)
EPSS: 0.0%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
network
low
low
none
July 17, 2026
Classification
Taxonomy References
Affected Vendors
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-8476
First tracked: July 17, 2026 at 08:07 PM
Classified by LLM (prompt v3) · confidence: 95%