CVE-2026-54017: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline

Q: How do I fix CVE-2026-54017?

open webui: upgrade to 0.9.6. Exact commands for each OS are on this page.

Q: Is CVE-2026-54017 being exploited?

CVE-2026-54017 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-2026-54017 affect?

CVE-2026-54017 affects open webui. Severity is high (CVSS 7.7). Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the terminal-server reverse proxy in `backend/open_webui/routers/terminals.py` does not fully confine the user-controlled `pa

Routine

HIGH 7.7UPGRADE

CVE-2026-54017 is a high-severity flaw (CVSS 7.7) 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 0.9.6, the terminal-server reverse proxy in `backend/open_webui/routers/terminals.py` does not fully confine the user-controlled `path` segment before forwarding it to an admin-configured terminal server. An authenticated user who has been granted access to a terminal server can craft `path` values containing encoded `../` traversal sequenc

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.7 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-22, CWE-918
Published	2026-06-18
Last modified	2026-06-24

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

Last updated 2026-06-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-18 22:16 UTCPublished CVE record published
2026-06-24 19:04 UTCUpdated Record last modified

openwebui open webui UPGRADE

Affected: < 0.9.6

Fixed in: 0.9.6

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 0.9.6 (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-2026-54017?

open webui: upgrade to 0.9.6. Exact commands for each OS are on this page.

Is CVE-2026-54017 being exploited?

CVE-2026-54017 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-2026-54017 affect?

CVE-2026-54017 affects open webui. Severity is high (CVSS 7.7). Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the terminal-server reverse proxy in `backend/open_webui/routers/terminals.py` does not fully confine the user-controlled `pa

How urgent is CVE-2026-54017?

Priority 38/100. High severity

Related CVEs

CVE-2026-54020 MEDIUM 6.3 UPGRADE Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform
CVE-2026-70487 MEDIUM 5.3 UPGRADE Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform
CVE-2026-70488 MEDIUM 4.3 UPGRADE Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform
CVE-2026-70489 MEDIUM 6.5 UPGRADE Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform
CVE-2026-70490 MEDIUM 6.3 UPGRADE Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform

References

← Back to latest CVEs