CVE-2026-45299 json
Open WebUI: Stored Cross-Site Scripting In Profile Picture
published 2026-05-14 5 mo ago modified 2026-07-13 3 mo ago also GHSA-6gh2-q7cp-9qf6 , PYSEC-2026-2708 , EUVD-2026-30661
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, the profile_image_url field on the user profile update form accepted arbitrary data: URI values without MIME-type validation, resulting in a XSS vulnerability. This vulnerability is fixed in 0.8.0.
Patch / fix
- pypi open-webui 0.8.0
- openwebui open_webui 0.8.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| OSV | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | open-webui | <0.8.0 |
0.8.0 |
Affected products
- open-webui open-webui
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/open-webui/open-webui/security/advisories/GHSA-6gh2-q7cp-9qf6
web, mitigation, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-45299
advisory
-
github.com
/open-webui/open-webui
package
-
github.com
/open-webui/open-webui/releases/tag/v0.8.0
web
-
pypi.org
/project/open-webui
package
-
github.com
/advisories/GHSA-6gh2-q7cp-9qf6
advisory
Sources
- CVE List CVE-2026-45299
- GitHub Advisory GHSA-6gh2-q7cp-9qf6
- NVD CVE-2026-45299
- OSV PYSEC-2026-2708
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.