{"items":[{"id":"NVI-00002457","kind":"vulnerability","title":"Guzzle: Proxy-Authorization headers can be sent to origin servers","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-94pj-82f3-465w","CVE-2026-67339"],"plain_summary":"GitHub lists this reviewed advisory for guzzlehttp/guzzle. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0d9fc2dfe858d8b2eb9fef4e68c9a3da"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 7.14.2 for guzzlehttp/guzzle. Confirm the publisher’s latest guidance.","source_ids":["sr-1923e637ee47548c865b47f5eedf2427"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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It does not include a literal line supplied through raw `CURLOPT_HTTPHEADER`, `CURLOPT_PROXYHEADER`, or `stream_context.http.header` controls.\n\nBecause that migration follows Guzzle's prediction rather than the route libcurl actually takes, the credential stays in the origin list and is sent to the origin server when a request is:\n\n- direct, including `proxy` set to `''` to disable proxying.\n- bypassed by a `no`, `no_proxy`, or `NO_PROXY` match.\n- sent through a SOCKS proxy, which does not use the HTTP proxy header channel.\n- redirected from a safely proxied hop into any of those routes: redirect middleware re-evaluates the ","public_affected_ranges":["< 7.14.2"]},{"certainty":"source_listed","source_ids":["sr-1923e637ee47548c865b47f5eedf2427"],"technology":"guzzlehttp/guzzle","known_exclusions":[],"conditions_summary":"### Impact\n\nIn affected versions, the built-in cURL handlers (`CurlHandler` and `CurlMultiHandler`) put every first-class request header in cURL's origin header list (`CURLOPT_HTTPHEADER`). These handlers are the default when the PHP cURL extension is available. They move `Proxy-Authorization` to the proxy-only list (`CURLOPT_PROXYHEADER`) only when Guzzle predicts an HTTP or HTTPS proxy. A \"first-class\" header is part of the normal request message and can be set on a PSR-7 request, through client `headers` defaults, the `headers` request option, or middleware. It does not include a literal line supplied through raw `CURLOPT_HTTPHEADER`, `CURLOPT_PROXYHEADER`, or `stream_context.http.header` controls.\n\nBecause that migration follows Guzzle's prediction rather than the route libcurl actually takes, the credential stays in the origin list and is sent to the origin server when a request is:\n\n- direct, including `proxy` set to `''` to disable proxying.\n- bypassed by a `no`, `no_proxy`, or `NO_PROXY` match.\n- sent through a SOCKS proxy, which does not use the HTTP proxy header channel.\n- redirected from a safely proxied hop into any of those routes: redirect middleware re-evaluates the ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.14.2"]}],"null_published_at":"2026-11-07T22:29:23.460Z","source_updated_at":"2026-08-04T12:49:59.000Z","source_disclosed_at":"2026-07-20T21:46:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.679Z"},{"id":"NVI-00002457","kind":"vulnerability","title":"Guzzle: Proxy-Authorization headers can be sent to origin servers","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-94pj-82f3-465w","CVE-2026-67339"],"plain_summary":"GitHub lists this reviewed advisory for guzzlehttp/guzzle. 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This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-04T12:49:59.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6dd2c080c433150f5146ef7c5b98b13f"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.372%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.31174. Missing scores are unknown.","source_id":"sr-0d9fc2dfe858d8b2eb9fef4e68c9a3da"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-6dd2c080c433150f5146ef7c5b98b13f","url":"https://github.com/advisories/GHSA-94pj-82f3-465w","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-67339","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6dd2c080c433150f5146ef7c5b98b13f"],"technology":"guzzlehttp/guzzle","known_exclusions":[],"conditions_summary":"### Impact\n\nIn affected versions, the built-in cURL handlers (`CurlHandler` and `CurlMultiHandler`) put every first-class request header in cURL's origin header list (`CURLOPT_HTTPHEADER`). These handlers are the default when the PHP cURL extension is available. They move `Proxy-Authorization` to the proxy-only list (`CURLOPT_PROXYHEADER`) only when Guzzle predicts an HTTP or HTTPS proxy. A \"first-class\" header is part of the normal request message and can be set on a PSR-7 request, through client `headers` defaults, the `headers` request option, or middleware. It does not include a literal line supplied through raw `CURLOPT_HTTPHEADER`, `CURLOPT_PROXYHEADER`, or `stream_context.http.header` controls.\n\nBecause that migration follows Guzzle's prediction rather than the route libcurl actually takes, the credential stays in the origin list and is sent to the origin server when a request is:\n\n- direct, including `proxy` set to `''` to disable proxying.\n- bypassed by a `no`, `no_proxy`, or `NO_PROXY` match.\n- sent through a SOCKS proxy, which does not use the HTTP proxy header channel.\n- redirected from a safely proxied hop into any of those routes: redirect middleware re-evaluates the ","public_affected_ranges":["< 7.14.2"]},{"certainty":"source_listed","source_ids":["sr-1923e637ee47548c865b47f5eedf2427"],"technology":"guzzlehttp/guzzle","known_exclusions":[],"conditions_summary":"### Impact\n\nIn affected versions, the built-in cURL handlers (`CurlHandler` and `CurlMultiHandler`) put every first-class request header in cURL's origin header list (`CURLOPT_HTTPHEADER`). These handlers are the default when the PHP cURL extension is available. They move `Proxy-Authorization` to the proxy-only list (`CURLOPT_PROXYHEADER`) only when Guzzle predicts an HTTP or HTTPS proxy. A \"first-class\" header is part of the normal request message and can be set on a PSR-7 request, through client `headers` defaults, the `headers` request option, or middleware. It does not include a literal line supplied through raw `CURLOPT_HTTPHEADER`, `CURLOPT_PROXYHEADER`, or `stream_context.http.header` controls.\n\nBecause that migration follows Guzzle's prediction rather than the route libcurl actually takes, the credential stays in the origin list and is sent to the origin server when a request is:\n\n- direct, including `proxy` set to `''` to disable proxying.\n- bypassed by a `no`, `no_proxy`, or `NO_PROXY` match.\n- sent through a SOCKS proxy, which does not use the HTTP proxy header channel.\n- redirected from a safely proxied hop into any of those routes: redirect middleware re-evaluates the ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.14.2"]}],"null_published_at":"2026-11-04T10:04:27.940Z","source_updated_at":"2026-08-04T12:49:59.000Z","source_disclosed_at":"2026-07-20T21:46:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.679Z"},{"id":"NVI-00002457","kind":"vulnerability","title":"Guzzle: Proxy-Authorization headers can be sent to origin servers","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-94pj-82f3-465w","CVE-2026-67339"],"plain_summary":"OSV carries this publisher advisory for guzzlehttp/guzzle. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 7.14.2 for guzzlehttp/guzzle. Confirm the publisher’s latest guidance.","source_ids":["sr-1923e637ee47548c865b47f5eedf2427"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0d9fc2dfe858d8b2eb9fef4e68c9a3da"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.372%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.31174. Missing scores are unknown.","source_id":"sr-0d9fc2dfe858d8b2eb9fef4e68c9a3da"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-1923e637ee47548c865b47f5eedf2427","url":"https://github.com/advisories/GHSA-94pj-82f3-465w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-94pj-82f3-465w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.679Z"},{"id":"sr-0d9fc2dfe858d8b2eb9fef4e68c9a3da","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-67339","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1923e637ee47548c865b47f5eedf2427"],"technology":"guzzlehttp/guzzle","known_exclusions":[],"conditions_summary":"### Impact\n\nIn affected versions, the built-in cURL handlers (`CurlHandler` and `CurlMultiHandler`) put every first-class request header in cURL's origin header list (`CURLOPT_HTTPHEADER`). These handlers are the default when the PHP cURL extension is available. They move `Proxy-Authorization` to the proxy-only list (`CURLOPT_PROXYHEADER`) only when Guzzle predicts an HTTP or HTTPS proxy. A \"first-class\" header is part of the normal request message and can be set on a PSR-7 request, through client `headers` defaults, the `headers` request option, or middleware. It does not include a literal line supplied through raw `CURLOPT_HTTPHEADER`, `CURLOPT_PROXYHEADER`, or `stream_context.http.header` controls.\n\nBecause that migration follows Guzzle's prediction rather than the route libcurl actually takes, the credential stays in the origin list and is sent to the origin server when a request is:\n\n- direct, including `proxy` set to `''` to disable proxying.\n- bypassed by a `no`, `no_proxy`, or `NO_PROXY` match.\n- sent through a SOCKS proxy, which does not use the HTTP proxy header channel.\n- redirected from a safely proxied hop into any of those routes: redirect middleware re-evaluates the ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.14.2"]}],"null_published_at":"2026-10-31T22:13:44.234Z","source_updated_at":"2026-09-10T03:51:11.108Z","source_disclosed_at":"2026-07-20T21:46:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.679Z"},{"id":"NVI-00002457","kind":"vulnerability","title":"Guzzle: Proxy-Authorization headers can be sent to origin servers","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-94pj-82f3-465w","CVE-2026-67339"],"plain_summary":"OSV carries this publisher advisory for guzzlehttp/guzzle. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 7.14.2 for guzzlehttp/guzzle. Confirm the publisher’s latest guidance.","source_ids":["sr-1923e637ee47548c865b47f5eedf2427"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-1923e637ee47548c865b47f5eedf2427","url":"https://github.com/advisories/GHSA-94pj-82f3-465w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-94pj-82f3-465w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.679Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1923e637ee47548c865b47f5eedf2427"],"technology":"guzzlehttp/guzzle","known_exclusions":[],"conditions_summary":"### Impact\n\nIn affected versions, the built-in cURL handlers (`CurlHandler` and `CurlMultiHandler`) put every first-class request header in cURL's origin header list (`CURLOPT_HTTPHEADER`). These handlers are the default when the PHP cURL extension is available. They move `Proxy-Authorization` to the proxy-only list (`CURLOPT_PROXYHEADER`) only when Guzzle predicts an HTTP or HTTPS proxy. A \"first-class\" header is part of the normal request message and can be set on a PSR-7 request, through client `headers` defaults, the `headers` request option, or middleware. It does not include a literal line supplied through raw `CURLOPT_HTTPHEADER`, `CURLOPT_PROXYHEADER`, or `stream_context.http.header` controls.\n\nBecause that migration follows Guzzle's prediction rather than the route libcurl actually takes, the credential stays in the origin list and is sent to the origin server when a request is:\n\n- direct, including `proxy` set to `''` to disable proxying.\n- bypassed by a `no`, `no_proxy`, or `NO_PROXY` match.\n- sent through a SOCKS proxy, which does not use the HTTP proxy header channel.\n- redirected from a safely proxied hop into any of those routes: redirect middleware re-evaluates the ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.14.2"]}],"null_published_at":"2026-10-31T22:00:33.891Z","source_updated_at":"2026-09-10T03:51:11.108Z","source_disclosed_at":"2026-07-20T21:46:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:10.679Z"}],"next_cursor":null,"snapshot_revision":"42594"}