CVE Watch8 sept 2026

CVE-2026-70481

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.5.0 until 0.11.0, the standard channel message

CVSS

5.4

Medio

EPSS

0.3%

p22

KEV

—

Exploit Today

0-100

Publicado: 4 ago 2026 · Última mod.: 8 sept 2026 · CWE-284 · CWE-862

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-08-122026-09-09

Descripción técnica

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.5.0 until 0.11.0, the standard channel message update and delete handlers accepted any caller holding write access on the channel without checking that the caller wrote the message. Because write access is the same grant a member needs to post, any ordinary participant in a shared standard channel could rewrite or permanently delete another participant message, while group and direct message handlers enforced authorship. This issue is fixed in 0.11.0.

Referencias oficiales

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