CVE-2026-54018

HIGHPre-NVD 7.77.7—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 80% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
7.7
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.7Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the SafePlaywrightURLLoader implements a validate_url function to prevent SSRF attacks by checking the IP address of the user-provided URL. However, this validation is performed only on the initial URL. Since Playwright automatically follows HTTP redirects (301/302) by default, an attacker can bypass the validation by providing a safe URL that redirects to a restricted internal network address (e.g., localhost, Docker container network, or Cloud Metadata). This allows the application to access internal services despite ENABLE_RAG_LOCAL_WEB_FETCH being set to False This vulnerability is fixed in 0.9.6.

CVSS v3
7.7
EG Score
7.7(medium)
EPSS
20.5%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 25, 2026

Advisory Details (1)

Auto-updated Jun 23, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

SSRF Protection Bypass in Playwright Web Loader via HTTP Redirects · Advisory · open-webui/open-webui · GitHub

https://github.com/open-webui/open-webui/security/advisories/GHSA-jrfp-m64g-pcwv

Vendor Advisories for CVE-2026-54018(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
open-webui0.1.124 ... 0.9.5 (157 versions)0.9.6—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 25× in last 7d / 59× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 00:17 UTCEG score recompute
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 12:48 UTCEG score recompute
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-06 01:20 UTCEG score recompute
  8. 2026-07-05 13:52 UTCEG score recompute
  9. 2026-07-05 02:31 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-05 02:24 UTCEG score recompute
  12. 2026-07-04 14:55 UTCEG score recompute
  13. 2026-07-04 06:31 UTCEPSS rescore
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-04 03:27 UTCEG score recompute
  16. 2026-07-03 15:36 UTCEG score recompute
  17. 2026-07-03 04:08 UTCEG score recompute
  18. 2026-07-02 16:38 UTCEG score recompute
  19. 2026-07-02 05:10 UTCEG score recompute
  20. 2026-07-01 17:41 UTCEG score recompute
  21. 2026-07-01 15:07 UTCEPSS rescore
  22. 2026-07-01 06:13 UTCEG score recompute
  23. 2026-06-30 23:22 UTCEPSS rescore
  24. 2026-06-30 18:41 UTCEG score recompute
  25. 2026-06-30 07:13 UTCEG score recompute
Show 34 more
  1. 2026-06-29 19:45 UTCEG score recompute
  2. 2026-06-29 14:06 UTCEPSS rescore
  3. 2026-06-29 14:06 UTCEPSS rescore
  4. 2026-06-29 08:17 UTCEG score recompute
  5. 2026-06-28 20:49 UTCEG score recompute
  6. 2026-06-28 14:07 UTCEPSS rescore
  7. 2026-06-28 09:21 UTCEG score recompute
  8. 2026-06-28 04:56 UTCEPSS rescore
  9. 2026-06-28 04:56 UTCEPSS rescore
  10. 2026-06-27 21:53 UTCEG score recompute
  11. 2026-06-27 10:25 UTCEG score recompute
  12. 2026-06-27 03:08 UTCEPSS rescore
  13. 2026-06-26 22:57 UTCEG score recompute
  14. 2026-06-26 11:30 UTCEG score recompute
  15. 2026-06-25 21:44 UTCEG score recompute
  16. 2026-06-25 13:49 UTCEPSS rescore
  17. 2026-06-25 10:16 UTCEG score recompute
  18. 2026-06-24 22:48 UTCEG score recompute
  19. 2026-06-24 14:05 UTCEPSS rescore
  20. 2026-06-24 11:19 UTCEG score recompute
  21. 2026-06-23 23:50 UTCEG score recompute
  22. 2026-06-23 12:21 UTCEG score recompute
  23. 2026-06-23 00:50 UTCEG score recompute
  24. 2026-06-22 13:20 UTCEG score recompute
  25. 2026-06-22 01:50 UTCEG score recompute
  26. 2026-06-21 14:19 UTCEG score recompute
  27. 2026-06-21 02:50 UTCEG score recompute
  28. 2026-06-20 15:13 UTCEG score recompute
  29. 2026-06-20 03:42 UTCEG score recompute
  30. 2026-06-19 16:13 UTCEG score recompute
  31. 2026-06-19 04:42 UTCEG score recompute
  32. 2026-06-18 17:11 UTCEG score recompute
  33. 2026-06-18 05:39 UTCEG score recompute
  34. 2026-06-17 18:07 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-54018?
CVE-2026-54018 is a high vulnerability published on June 17, 2026. Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the SafePlaywrightURLLoader implements a validateurl function to prevent SSRF attacks by checking the IP address of the user-provided URL. However, this validation is performed only on…
When was CVE-2026-54018 disclosed?
CVE-2026-54018 was first published in the National Vulnerability Database on June 17, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-54018 actively exploited?
CVE-2026-54018 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-54018?
CVE-2026-54018 has a CVSS v3 base score of 7.7 (NVD).
How do I remediate CVE-2026-54018?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-54018, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-54018

Explore →

Is Your Infrastructure Affected by CVE-2026-54018?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs