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CVE-2026-45317

đŸ”ļ medium
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Summary

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 s

Description

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 Score
4.6
Medium
EPSS Score
0.0
Exploit Probability
Published Date
2026-05-15
First Seen: 2026-05-17
📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 12.8% of all 355,915 vulnerabilities in our database.

#310,412
Below average severity
Severity Percentile
đŸŽ¯ CISA SSVC Assessment Updated: May 18, 2026
🔍 Exploitation Status
Poc
Proof-of-concept available
⚙ī¸ Automatable
NO
Requires human interaction
đŸ’Ĩ Technical Impact
Partial
Limited system impact
SSVC data provided by CISA
Last Modified 2026-05-18
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L
CWE IDs (Weakness Types)
CWE-20 CWE-352

đŸ“Ļ Affected Products 1

Vendor Product Status Affected Versions
openwebui open_webui Affected
< 0.9.3

🔗 References 1

https://github.com/open-webui/open-webui/security/ad...
Exploit Mitigation Vendor Advisory

🔗 Related CVEs 6

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-56398 ⚠ī¸ high 7.3 0.3 Open WebUI before 0.9.5 contains a stored cross-site scripting vulnerability in the OAuth authentication flow where the ... 2026-07-15
CVE-2026-56400 ⚠ī¸ high 8.3 0.3 open-webui before 0.3.14 contains a cross-origin resource sharing misconfiguration allowing arbitrary origins with allow... 2026-07-15
CVE-2026-59212 đŸ”ļ medium 5.4 0.3 Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, _verify_... 2026-07-09
CVE-2026-59213 ℹī¸ low 3.5 0.3 Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.27 before 0.10.0, get_all... 2026-07-09
CVE-2026-59214 ⚠ī¸ high 7.3 0.3 Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, Open WebUI runs c... 2026-07-09
CVE-2026-59215 ℹī¸ low 3.1 0.3 Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, channel thread pa... 2026-07-09
These CVEs affect the same products