{"affected":[{"product":"addressable","source":"CNA: GitHub_M","vendor":"sporkmonger","versions":[{"status":"affected","version":">= 2.0.0, < 2.9.1"}]}],"cveId":"CVE-2026-126349","cwes":["CWE-176","CWE-451","CWE-1007"],"description":"Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. From 2.0.0 until 2.9.1, Addressable::IDNA.to_unicode can decode Punycode labels that contain bidirectional controls, zero-width characters, control characters, or other default-ignorable format characters. Addressable::URI#display_uri can consequently show a reordered or visually indistinguishable hostname even though host, normalized_host, and network connections use the original encoded hostname. The pure-Ruby backend accepts the full prohibited set, while the native libidn backend is affected from 2.5.2 for characters added after Unicode 3.2. This issue is fixed in version 2.9.1.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":3.1,"severity":"low","source":"CNA: GitHub_M","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},{"score":3.1,"severity":"low","source":"NVD: security-advisories@github.com","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","version":"3.1"}],"modifiedAt":1794521960080,"publishedAt":1794520822516,"references":[{"source":"CNA: GitHub_M","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sporkmonger/addressable/security/advisories/GHSA-539f-xcgw-2gjg"},{"source":"CNA: GitHub_M","tags":["x_refsource_MISC"],"url":"https://github.com/sporkmonger/addressable/commit/60455d32bb59fda2585a0e1865a9fcb21e8e55b1"},{"source":"CNA: GitHub_M","tags":["x_refsource_MISC"],"url":"https://github.com/sporkmonger/addressable/releases/tag/addressable-2.9.1"},{"source":"security-advisories@github.com","tags":[],"url":"https://github.com/sporkmonger/addressable/commit/60455d32bb59fda2585a0e1865a9fcb21e8e55b1"},{"source":"security-advisories@github.com","tags":[],"url":"https://github.com/sporkmonger/addressable/releases/tag/addressable-2.9.1"},{"source":"security-advisories@github.com","tags":[],"url":"https://github.com/sporkmonger/addressable/security/advisories/GHSA-539f-xcgw-2gjg"}],"remediation":[],"revision":"3ec856f712757737190c4d5894c9ba7705b83c7c1c02e571d8fc3fbdb92b217f","sources":[{"modifiedAt":1794520822516,"name":"CNA: GitHub_M","retrievedAt":1794522600332,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126349"},{"modifiedAt":1794521960080,"name":"NVD","retrievedAt":1794529644801,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126349"}],"ssvc":null,"status":"published","title":"Addressable display_uri can show misleading hosts containing bidi and invisible characters","updatedAt":1794529644801}