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CVE-2025-64496

34
FAUCET Score

CVE-2025-64496 is a high-severity code injection vulnerability in Open WebUI versions 0.6.224 and prior, specifically within its Direct Connections feature. An attacker can exploit this by tricking users into enabling Direct Connections and adding a malicious model URL, leading to arbitrary JavaScript execution in victim browsers. This allows for authentication token theft, complete account takeover, and potential remote code execution on the backend server when chained with the Functions API. While not actively exploited or having public exploit code, the vulnerability has garnered significant community discussion and media coverage, indicating awareness of its potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.6.35CPE matchmatch criteria
cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
7.88%
Probability of exploitation in next 30 days
EPSS Percentile
94.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0788 is in the 98th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: open-webuiFixed in: 0.6.35
pippatch availablevia ghsa
Product: open-webuiFixed in: 0.6.35
amazonvendor investigatingvia llm_extracted
horillavendor investigatingvia llm_extracted
jitsivendor investigatingvia llm_extracted
leantimevendor investigatingvia llm_extracted
nutanixvendor investigatingvia llm_extracted

Vendor Advisories (6)

leantimellm-leantime-635057e9e98ae43fHIGH

Open WebUI Remote Code Execution (CVE-2025-64496)

Jan 19, 2026
amazonllm-amazon-baa5c598ef7a51ebHIGH

Open WebUI Remote Code Execution (CVE-2025-64496)

Jan 19, 2026
nutanixllm-nutanix-285ebffc03feb587HIGH

Open WebUI Remote Code Execution (CVE-2025-64496)

Jan 19, 2026
horillallm-horilla-68d742670840b140HIGH

Open WebUI Remote Code Execution (CVE-2025-64496)

Jan 19, 2026
jitsillm-jitsi-dafec00c472ea7a9HIGH

Open WebUI Remote Code Execution (CVE-2025-64496)

Jan 19, 2026
npmGHSA-cm35-v4vp-5xvxhigh

Open WebUI Affected by an External Model Server (Direct Connections) Code Injection via SSE Events

Nov 7, 2025

References

github.com / open-webui/open-webui/commit/8af6a4cf21b756a66cd58378a01c60f74c39b7ca
Patch
github.com / open-webui/open-webui/security/advisories/GHSA-cm35-v4vp-5xvx
ExploitThird Party Advisory