CVE-2026-44566: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline

Q: How do I fix CVE-2026-44566?

open webui: upgrade to 0.1.124. Exact commands for each OS are on this page.

Q: Is CVE-2026-44566 being exploited?

CVE-2026-44566 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-44566 affect?

CVE-2026-44566 affects open webui. Severity is high (CVSS 7.3). Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.1.124, when attaching files to a promp, the name of the file is derived from the original HTTP upload request and is not validated

Q: How urgent is CVE-2026-44566?

Priority 42/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.3REMOTEUPGRADE

CVE-2026-44566 is a high-severity flaw (CVSS 7.3) affecting open webui. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.1.124, when attaching files to a promp, the name of the file is derived from the original HTTP upload request and is not validated or sanitized. This allows for users to upload files with names containing dot-segments in the file path and traverse out of the intended uploads directory. Effectively, users can upload files anywhere on the f

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-22, CWE-434
Published	2026-05-15
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: openwebui

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-15 22:16 UTCPublished CVE record published
2026-06-17 10:50 UTCUpdated Record last modified

openwebui open webui UPGRADE

Affected: < 0.1.124

Fixed in: 0.1.124

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy open-webui || rpm -q open-webui || open-webui --version

2. UPGRADE to 0.1.124 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade open-webui

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade open-webui

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-44566?

open webui: upgrade to 0.1.124. Exact commands for each OS are on this page.

Is CVE-2026-44566 being exploited?

CVE-2026-44566 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-44566 affect?

CVE-2026-44566 affects open webui. Severity is high (CVSS 7.3). Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.1.124, when attaching files to a promp, the name of the file is derived from the original HTTP upload request and is not validated

How urgent is CVE-2026-44566?

Priority 42/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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