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THREAT OPS › Threat News › [NVD] CVE-2026-54020 (MEDIUM 6.3) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.0, Open WebUI resolved a hostname during URL validation and rejected private, loopback, and link-local addresses, but the HTTP clients resolved the hostname again at connection tim

[NVD] CVE-2026-54020 (MEDIUM 6.3) — Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.0, Open WebUI resolved a hostname during URL validation and rejected private, loopback, and link-local addresses, but the HTTP clients resolved the hostname again at connection tim

lownvdPublished 2026-08-04

CVE-2026-54020 CVSS: 6.3 MEDIUM Published: 2026-08-04T21:16:36.703

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.0, Open WebUI resolved a hostname during URL validation and rejected private, loopback, and link-local addresses, but the HTTP clients resolved the hostname again at connection time. An authenticated attacker who controlled authorit

Indicators of compromise

CVE-2026-54020cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-54020