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The live navigation functions share the guard but are not affected, because the client expands their target against the current origin. push_patch/2 is also affected before 0.7.0, which is when that expansion was added.\n\nThis issue affects phoenix_live_view: from 0.5.0 before 1.0.19, from 1.1.0-rc.0 before 1.1.33, and from 1.2.0-rc.0 before 1.2.9.", "supportingMedia": [{"type": "text/html", "value": "<p>URL Redirection to Untrusted Site ('Open Redirect') vulnerability in phoenixframework phoenix_live_view allows an attacker to send a victim's browser to an origin of the attacker's choosing via a <code>:to</code> value containing ASCII tab, LF or CR.</p>\n<p><code>redirect/2</code> validates <code>:to</code> through the private <code>validate_local_url!/2</code> in <code>lib/phoenix_live_view.ex</code>, which is intended to guarantee the target is a path within the application. It rejects a leading <code>//</code> and any backslash, but not ASCII tab, LF or CR. Browsers strip those three characters before parsing a URL, so a value such as <code>/&lt;TAB&gt;/example.com</code> passes validation as a path and is then resolved as the scheme-relative URL <code>//example.com</code>. The live navigation functions share the guard but are not affected, because the client expands their target against the current origin. <code>push_patch/2</code> is also affected before 0.7.0, which is when that expansion was added.</p>\n<p>This issue affects phoenix_live_view: from 0.5.0 before 1.0.19, from 1.1.0-rc.0 before 1.1.33, and from 1.2.0-rc.0 before 1.2.9.</p>", "base64": false}, {"type": "text/markdown", "value": "URL Redirection to Untrusted Site ('Open Redirect') vulnerability in phoenixframework phoenix_live_view allows an attacker to send a victim's browser to an origin of the attacker's choosing via a `:to` value containing ASCII tab, LF or CR.\n\n`redirect/2` validates `:to` through the private `validate_local_url!/2` in `lib/phoenix_live_view.ex`, which is intended to guarantee the target is a path within the application. It rejects a leading `//` and any backslash, but not ASCII tab, LF or CR. 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The live navigation functions share the guard but are not affected, because the client expands their target against the current origin. `push_patch/2` is also affected before 0.7.0, which is when that expansion was added.\n\nThis issue affects phoenix_live_view: from 0.5.0 before 1.0.19, from 1.1.0-rc.0 before 1.1.33, and from 1.2.0-rc.0 before 1.2.9.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-601", "description": "CWE-601 URL Redirection to Untrusted Site ('Open Redirect')"}]}], "configurations": [{"lang": "en", "value": "The application must pass an externally influenced value as :to to redirect/2, or to push_patch/2 before 0.7.0, for example a return_to parameter carried through sign-in or a navigation target taken from a handle_event/3 payload.", "supportingMedia": [{"type": "text/html", "value": "<p>The application must pass an externally influenced value as <code>:to</code> to <code>redirect/2</code>, or to <code>push_patch/2</code> before 0.7.0, for example a <code>return_to</code> parameter carried through sign-in or a navigation target taken from a <code>handle_event/3</code> payload.</p>", "base64": false}, {"type": "text/markdown", "value": "The application must pass an externally influenced value as `:to` to `redirect/2`, or to `push_patch/2` before 0.7.0, for example a `return_to` parameter carried through sign-in or a navigation target taken from a `handle_event/3` payload.", "base64": false}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:phoenixframework:phoenix_live_view:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "1.0.19", "versionStartIncluding": "0.5.0"}, {"criteria": "cpe:2.3:a:phoenixframework:phoenix_live_view:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "1.1.33", "versionStartIncluding": "1.1.0-rc.0"}, {"criteria": "cpe:2.3:a:phoenixframework:phoenix_live_view:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "1.2.9", "versionStartIncluding": "1.2.0-rc.0"}], "operator": "OR"}], "operator": "AND"}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-08-10T11:05:14.571Z"}}}, "cveMetadata": {"cveId": "CVE-2026-64941", "state": "PUBLISHED", "dateUpdated": "2026-08-10T13:00:33.543Z", "dateReserved": "2026-08-09T16:30:01.572Z", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "datePublished": "2026-08-10T11:05:14.571Z", "assignerShortName": "EEF"}, "dataVersion": "5.2"}

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{"created": "2026-08-10T13:00:04.715974+00:00", "updated": "2026-08-10T13:00:04.715988+00:00", "vendors": []}