CVE-2026-32859

MEDIUM

5.4

Description

ByteDance Deer-Flow 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.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published3/27/2026

Last Modified3/30/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-79

References

https://github.com/bytedance/deer-flow/commit/5dbb3623b2f0e490c8bb3cd81b1e3b1b12eae1a6(disclosure@vulncheck.com)

https://github.com/bytedance/deer-flow/pull/1389(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/bytedance-deerflow-stored-xss-via-inline-artifact-rendering(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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