CVE-2026-32859

ByteDance DeerFlow Stored XSS via Inline Artifact Rendering

CVSS 5.1 MEDIUMEPSS 0.2%CWE-79

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 5.1EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

27 mar 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Produtos afetados

Bytedance Inc. · DeerFlow

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Referências

https://github.com/bytedance/deer-flow/commit/5dbb3623b2f0e490c8bb3cd81b1e3b1b12eae1a6 https://github.com/bytedance/deer-flow/pull/1389 https://www.vulncheck.com/advisories/bytedance-deerflow-stored-xss-via-inline-artifact-rendering