CVE-2026-59215: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, channel thread parent and reply handling did not bind parent_id to the channe
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, channel thread parent and reply handling did not bind parent_id to the channel in the URL, allowing an authenticated user to reference a message from another private or DM channel and disclose thread context across channels. This issue is fixed in version 0.10.0.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-59215
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-592150.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-59215 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Open WebUI is
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-59221: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9…nvd · 2026-07-09
- lowCVE-2026-59715: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6…nvd · 2026-07-09
- mediumCVE-2026-59227: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8…nvd · 2026-07-09
- lowCVE-2026-59226: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9…nvd · 2026-07-09
- mediumCVE-2026-59225: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8…nvd · 2026-07-09
- highCVE-2026-59224: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to…nvd · 2026-07-09
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