{"items":[{"id":"NVI-00005306","kind":"vulnerability","title":"Guzzle: Host-only cookie scope is not preserved","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wm3w-8rrp-j577","CVE-2026-67355"],"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-1c7c914a72255ffbcc31d97d06cd887b"],"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 7.15.1 for guzzlehttp/guzzle. Confirm the publisher’s latest guidance.","source_ids":["sr-8a5e4b799af1619ceb228db66eaec981"],"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":[{"kind":"CVSS","as_of":"2026-08-04T12:55:34.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-623d53b87a7d3930cf5b3d27dd12e0c7"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.366%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.30517. Missing scores are unknown.","source_id":"sr-1c7c914a72255ffbcc31d97d06cd887b"}],"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-623d53b87a7d3930cf5b3d27dd12e0c7","url":"https://github.com/advisories/GHSA-wm3w-8rrp-j577","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wm3w-8rrp-j577","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:33.950Z"},{"id":"sr-8a5e4b799af1619ceb228db66eaec981","url":"https://github.com/advisories/GHSA-wm3w-8rrp-j577","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-wm3w-8rrp-j577","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.388Z"},{"id":"sr-1c7c914a72255ffbcc31d97d06cd887b","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-2026-67355","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.077Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-623d53b87a7d3930cf5b3d27dd12e0c7"],"technology":"guzzlehttp/guzzle","known_exclusions":[],"conditions_summary":"### Impact\n\nIn affected versions, `CookieJar` does not preserve whether a response cookie was set without a `Domain` attribute or with an empty one. A cookie without `Domain` is host-only and must be returned only to the exact host that set it. Under current cookie processing rules, an empty `Domain` value is also host-only. Guzzle instead stores the request host in the cookie's `Domain` field and later applies ordinary domain matching, as though the server had supplied a valid domain. For example, a host-only `sid=secret` cookie set by `example.com` can subsequently be sent to `child.example.com`. `FileCookieJar` and `SessionCookieJar` also persist the request host without recording the host-only state, so reloading a jar preserves the widened scope.\n\nAn attacker who controls or can observe a child host can therefore receive cookies that were intended only for its parent host. Depending on the cookie, this can disclose session identifiers, authorization tokens, or other sensitive state. Exploitation requires the application to enable Guzzle's cookie support, reuse the same built-in cookie jar, receive a host-only cookie from a parent host, and later make a matching request to a le","public_affected_ranges":["< 7.15.1"]},{"certainty":"source_listed","source_ids":["sr-8a5e4b799af1619ceb228db66eaec981"],"technology":"guzzlehttp/guzzle","known_exclusions":[],"conditions_summary":"### Impact\n\nIn affected versions, `CookieJar` does not preserve whether a response cookie was set without a `Domain` attribute or with an empty one. A cookie without `Domain` is host-only and must be returned only to the exact host that set it. Under current cookie processing rules, an empty `Domain` value is also host-only. Guzzle instead stores the request host in the cookie's `Domain` field and later applies ordinary domain matching, as though the server had supplied a valid domain. For example, a host-only `sid=secret` cookie set by `example.com` can subsequently be sent to `child.example.com`. `FileCookieJar` and `SessionCookieJar` also persist the request host without recording the host-only state, so reloading a jar preserves the widened scope.\n\nAn attacker who controls or can observe a child host can therefore receive cookies that were intended only for its parent host. Depending on the cookie, this can disclose session identifiers, authorization tokens, or other sensitive state. Exploitation requires the application to enable Guzzle's cookie support, reuse the same built-in cookie jar, receive a host-only cookie from a parent host, and later make a matching request to a le","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.15.1"]}],"null_published_at":"2026-11-07T14:01:55.402Z","source_updated_at":"2026-08-04T12:55:34.000Z","source_disclosed_at":"2026-07-20T23:27:49.000Z","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":"2026-10-31T21:42:41.388Z"},{"id":"NVI-00005306","kind":"vulnerability","title":"Guzzle: Host-only cookie scope is not preserved","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wm3w-8rrp-j577","CVE-2026-67355"],"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-623d53b87a7d3930cf5b3d27dd12e0c7"],"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 7.15.1 for guzzlehttp/guzzle. Confirm the publisher’s latest guidance.","source_ids":["sr-8a5e4b799af1619ceb228db66eaec981"],"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":[{"kind":"CVSS","as_of":"2026-08-04T12:55:34.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-623d53b87a7d3930cf5b3d27dd12e0c7"}],"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-623d53b87a7d3930cf5b3d27dd12e0c7","url":"https://github.com/advisories/GHSA-wm3w-8rrp-j577","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wm3w-8rrp-j577","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:33.950Z"},{"id":"sr-8a5e4b799af1619ceb228db66eaec981","url":"https://github.com/advisories/GHSA-wm3w-8rrp-j577","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-wm3w-8rrp-j577","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.388Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-623d53b87a7d3930cf5b3d27dd12e0c7"],"technology":"guzzlehttp/guzzle","known_exclusions":[],"conditions_summary":"### Impact\n\nIn affected versions, `CookieJar` does not preserve whether a response cookie was set without a `Domain` attribute or with an empty one. A cookie without `Domain` is host-only and must be returned only to the exact host that set it. Under current cookie processing rules, an empty `Domain` value is also host-only. Guzzle instead stores the request host in the cookie's `Domain` field and later applies ordinary domain matching, as though the server had supplied a valid domain. For example, a host-only `sid=secret` cookie set by `example.com` can subsequently be sent to `child.example.com`. `FileCookieJar` and `SessionCookieJar` also persist the request host without recording the host-only state, so reloading a jar preserves the widened scope.\n\nAn attacker who controls or can observe a child host can therefore receive cookies that were intended only for its parent host. Depending on the cookie, this can disclose session identifiers, authorization tokens, or other sensitive state. Exploitation requires the application to enable Guzzle's cookie support, reuse the same built-in cookie jar, receive a host-only cookie from a parent host, and later make a matching request to a le","public_affected_ranges":["< 7.15.1"]},{"certainty":"source_listed","source_ids":["sr-8a5e4b799af1619ceb228db66eaec981"],"technology":"guzzlehttp/guzzle","known_exclusions":[],"conditions_summary":"### Impact\n\nIn affected versions, `CookieJar` does not preserve whether a response cookie was set without a `Domain` attribute or with an empty one. A cookie without `Domain` is host-only and must be returned only to the exact host that set it. Under current cookie processing rules, an empty `Domain` value is also host-only. Guzzle instead stores the request host in the cookie's `Domain` field and later applies ordinary domain matching, as though the server had supplied a valid domain. For example, a host-only `sid=secret` cookie set by `example.com` can subsequently be sent to `child.example.com`. `FileCookieJar` and `SessionCookieJar` also persist the request host without recording the host-only state, so reloading a jar preserves the widened scope.\n\nAn attacker who controls or can observe a child host can therefore receive cookies that were intended only for its parent host. Depending on the cookie, this can disclose session identifiers, authorization tokens, or other sensitive state. Exploitation requires the application to enable Guzzle's cookie support, reuse the same built-in cookie jar, receive a host-only cookie from a parent host, and later make a matching request to a le","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.15.1"]}],"null_published_at":"2026-11-03T10:03:31.359Z","source_updated_at":"2026-08-04T12:55:34.000Z","source_disclosed_at":"2026-07-20T23:27:49.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.388Z"},{"id":"NVI-00005306","kind":"vulnerability","title":"Guzzle: Host-only cookie scope is not preserved","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wm3w-8rrp-j577","CVE-2026-67355"],"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 7.15.1 for guzzlehttp/guzzle. Confirm the publisher’s latest guidance.","source_ids":["sr-8a5e4b799af1619ceb228db66eaec981"],"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-8a5e4b799af1619ceb228db66eaec981","url":"https://github.com/advisories/GHSA-wm3w-8rrp-j577","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-wm3w-8rrp-j577","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.388Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8a5e4b799af1619ceb228db66eaec981"],"technology":"guzzlehttp/guzzle","known_exclusions":[],"conditions_summary":"### Impact\n\nIn affected versions, `CookieJar` does not preserve whether a response cookie was set without a `Domain` attribute or with an empty one. A cookie without `Domain` is host-only and must be returned only to the exact host that set it. Under current cookie processing rules, an empty `Domain` value is also host-only. Guzzle instead stores the request host in the cookie's `Domain` field and later applies ordinary domain matching, as though the server had supplied a valid domain. For example, a host-only `sid=secret` cookie set by `example.com` can subsequently be sent to `child.example.com`. `FileCookieJar` and `SessionCookieJar` also persist the request host without recording the host-only state, so reloading a jar preserves the widened scope.\n\nAn attacker who controls or can observe a child host can therefore receive cookies that were intended only for its parent host. Depending on the cookie, this can disclose session identifiers, authorization tokens, or other sensitive state. Exploitation requires the application to enable Guzzle's cookie support, reuse the same built-in cookie jar, receive a host-only cookie from a parent host, and later make a matching request to a le","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 7.15.1"]}],"null_published_at":"2026-10-31T22:13:01.459Z","source_updated_at":"2026-09-10T03:51:12.418Z","source_disclosed_at":"2026-07-20T23:27:49.000Z","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":"2026-10-31T21:42:41.388Z"}],"next_cursor":null,"snapshot_revision":"42594"}