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Medium 4.6Published May 15, 2026

CVE-2026-45317Open WebUI: Cross-Site Request Forgery (CSRF) via Image URL Manipulation

Updated under an hour ago ()

Does this affect you?

It affects open-webui and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, an application-wide Cross-Site Request Forgery (CSRF) vulnerability was found Open-WebUl's image uploading functionality. An attacker can set an image URL to a malicious endpoint, allowing them to perform actions on behalf of a victim user. Any authenticated user can exploit this vulnerability, and any user who views the compromised image (e.g., a profile picture) will unknowingly send a GET request to the attacker-controlled URL. This can lead to cookie theft, denial of service (DoS), or other malicious actions. This vulnerability is fixed in 0.9.3.

CVSS
4.6 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L
Weakness (CWE)
CWE-20, CWE-352
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GitHub_M
NVD analysis
Analyzed
Record last updated
May 18, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
open-webui open-webui
open_webui:open_webui (from the name)
before 0.9.3
CNA record
openwebui open_webui
openwebui:open_webui
before 0.9.3
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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