CVE-2026-59215: open-webui
Vulnerability summary
CVE-2026-59215 is a low (CVSS 3.1) vulnerability in open-webui. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 24% of scored vulnerabilities.
Timeline
- 09-07-2026PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · PypiEcosystem advisory · calculated3.1LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- NVDNIST3.1LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.32% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Open-webui1 product
- open-webui< 0.10.0
Openwebui1 product
- open_webui< 0.10.0
PyPI1 product
- open-webui< 0.10.0
3 vendors · 3 products
References
8 links- github.com/open-webui/open-webui/security/advisories/GHSA-73x5-h92w-xc2jX Refsource CONFIRMWEBMitigationVendor Advisory
- github.com/open-webui/open-webui/commit/a66477b7104c5d141ce7bffaea424b43e7666ef1X Refsource MISCWEBPatch
- pypi.org/project/open-webuiPACKAGE