CVE-2026-32859
MediumCVSS 5.4Exploitation Probability (EPSS)
Low risk10th percentile - higher than 10% of all known CVEs
Summary
A stored cross-site scripting vulnerability in the artifacts API of ByteDance DeerFlow prior to commit 5dbb362 allows attackers to inject malicious HTML or JavaScript by uploading it as artifacts. The code executes in the browser context when users view the artifacts.
Risk Assessment
The risk includes session hijacking, credential theft, and arbitrary script execution in the victim's browser, potentially leading to unauthorized system access and data leakage.
Recommendation
Immediately update DeerFlow to a version containing commit 5dbb362 or later, and implement validation and sanitization of uploaded artifacts.
Original NVD description (English source)
ByteDance DeerFlow versions prior to commit 5dbb362 contain a stored cross-site scripting vulnerability in the artifacts API that allows attackers to execute arbitrary scripts by uploading malicious HTML or script content as artifacts. Attackers can store malicious content that executes in the browser context when users view artifacts, leading to session compromise, credential theft, and arbitrary script execution.