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TI-2026-25320 Aliases CVE-2026-32859GHSA-36m7-49vh-x3qh

ByteDance DeerFlow Stored XSS via Inline Artifact Rendering

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.002 9th percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

No affected products listed by the sources yet.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-32859
  2. 2026-10-03 Alias added: GHSA-36m7-49vh-x3qh

References

Patch 1

Other 1

  • TI-2026-29265 ByteDance DeerFlow Path Traversal and Arbitrary File Write via Bootstrap Mode CVSS 4.0HIGH 7.1
  • TI-2026-06033 ByteDance verl grader.py math_equal sandbox CVSS 4.0MEDIUM 6.3
  • TI-2026-63838 ByteDance Coze Scraper Extension External Message index.js chrome.runtime.onMessageExternal.addListener authorization CVSS 4.0MEDIUM 5.3
  • TI-2026-06147 ByteDance coze-studio databaseTool database_impl.go ExecuteSQL sql injection CVSS 4.0MEDIUM 5.3
  • TI-2026-09770 bytedance InfiniStore KV Map infinistore.h purge_kv_map algorithmic complexity CVSS 4.0MEDIUM 4.8
  • TI-2026-56382 Missing authentication in ByteDance UI-TARS-desktop CVSS 4.0CRITICAL 10.0
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences