CVE-2026-109291

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Source
https://cve.org/CVERecord?id=CVE-2026-109291
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109291.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-109291
Aliases
  • GHSA-qpqv-xwg8-cqpj
Published
2026-10-12T16:04:52Z
Modified
2026-10-13T02:47:09Z
Severity
  • 8.5 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Open WebUI 0.6.33 before 0.11.4 Stored XSS via Citation embed_url
Details

Open WebUI from 0.6.33 before 0.11.4 contains a cross-site scripting vulnerability that allows authenticated users to execute script in victims' sessions by storing javascript: URLs in citation embed_url fields. Attackers can share a crafted chat whose citation, when clicked, is passed to window.open, letting them steal localStorage.token and act as the victim.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-79"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109291.json"
}
References

Affected packages

Git / github.com/open-webui/open-webui

Affected ranges

Type
GIT
Repo
https://github.com/open-webui/open-webui
Events
Introduced
8d7d79d54b9160425fc5050b3484bec40dd3b44e
Fixed
8bd8b4fac5e059578ac0c74b3c18d11139f88b7d
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0.6.33"
        },
        {
            "fixed":  "0.11.4"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

v0.*
v0.10.0
v0.10.1
v0.10.2
v0.11.0
v0.11.1
v0.11.2
v0.11.3
v0.6.33
v0.6.34
v0.6.35
v0.6.36
v0.6.37
v0.6.38
v0.6.39
v0.6.40
v0.6.41
v0.6.42
v0.6.43
v0.7.0
v0.7.1
v0.7.2
v0.8.0
v0.8.1
v0.8.10
v0.8.11
v0.8.12
v0.8.2
v0.8.3
v0.8.4
v0.8.5
v0.8.6
v0.8.7
v0.8.8
v0.8.9
v0.9.0
v0.9.1
v0.9.2
v0.9.3
v0.9.4
v0.9.5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109291.json"