Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.10, when uploading an audio file, the name of the file is derived from the original HTTP upload request and is not validated or sanitized. This allows for users to upload files with names containing dot-segments in the file path and traverse out of the intended uploads directory. Effectively, users can upload files anywhere on the filesystem the user running the web server has permission. This vulnerability is fixed in 0.6.10.
CVE-2026-44565
This high-severity CVE scores 8.1 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 64% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.1
- EG Score
- 8.1(medium)
- EPSS
- 36.4%
- KEV
- Not listed
Published
May 15, 2026
Last Modified
May 19, 2026
Advisory Details (1)
Auto-updated May 18, 2026KL-CAN-2024-005: Open WebUI Arbitrary File Write, Delete via Path Traversal · Advisory · open-webui/open-webui · GitHub
https://github.com/open-webui/open-webui/security/advisories/GHSA-j3fw-wc48-29g3Vendor Advisories for CVE-2026-44565(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| open-webui | 0.1.124 ... 0.6.9 (101 versions) | 0.6.10 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 49× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 106 total refreshes for this CVE.
- 2026-07-11 08:27 UTCEPSS rescore
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Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-44565?
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Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-44565
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