CVE-2026-44721Disclosure(openwebui / open_webui)

LOWCVSS 7.3 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting (XSS) vulnerability that allows any authenticated user with model creation permission (workspace.models) to execute arbitrary JavaScript in the browser of any other user (including admins) who views the malicious model in the chat UI. This vulnerability is fixed in 0.9.0.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • open_webui

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
Products
open_webui

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-05-16: 2Technical Details · 2026-05-16: 205-16
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-44721 Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting (XSS) vulnerability t… https://www.cve.org/CVERecord?id=CVE-2026-44721 ----- Traducción: CVE-2026-44721 Ope… http://infoflow.cloud`

    Post summary

    The post announces CVE‑2026‑44721, a stored XSS flaw in Open WebUI versions before 0.9.0, and links to the official CVE record but provides no PoC, exploit, or mitigation details.

    0000046
    78 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-44721 Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting (XSS) vulnerability t… https://www.cve.org/CVERecord?id=CVE-2026-44721

    Post summary

    The tweet announces CVE-2026-44721, revealing a stored XSS flaw in Open WebUI versions before 0.9.0, without mentioning patches, exploits, or active exploitation.

    00000221
    57.5K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appopenwebuiopen_webui---

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