PT-2026-53439 · Pypi · H2O

Publicado 2026-06-29 · Atualizado 2026-06-29

OSV

CVSS v3.1

9.3

Crítica

Vetor base

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H

Remote unauthenticated attackers can overwrite arbitrary server files with attacker-controllable data. The data that the attacker can control is not entirely arbitrary. h2o writes a CSV/XLS/etc file to disk, so the attacker data is wrapped in quotations and starts with "C1", if they're exporting as CSV.

Correção

Identificadores relacionados

PYSEC-2026-350

Produtos afetados

H2O

Referências · 7

• https://github.com/h2oai/h2o-3/commit/e8884f5187eb81311877c5f0dd4d6d9c70f33d78 · Nota
• https://github.com/h2oai/h2o-3 · Nota
• https://pypi.org/project/h2o · Nota
• https://osv.dev/vulnerability/PYSEC-2026-350 · Aviso do Fabricante
• https://github.com/advisories/GHSA-gqrq-j6pm-98c2 · Nota
• https://huntr.com/bounties/a5d003dc-c23e-4c98-8dcf-35ba9252fa3c · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2023-6569 · Nota de Segurança