CVEvulnerability

CVE-2026-70481

5.4 MEDIUM Published 2026-08-04 Modified 2026-09-18 Official page ↗
Status
Analyzed
Published
2026-08-04
Last modified
2026-09-18
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Weaknesses
CWE-284, CWE-862

Description

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.

Affected configurations

• openwebui open webui (>= 0.5.0 < 0.11.0)

Related

Weakness · CWE (2)

  • CWE-284 Improper Access Control weakness
  • CWE-862 Missing Authorization weakness

References