{"items":[{"id":"NVI-00008961","kind":"vulnerability","title":"Authlib: Unvalidated request_uri fetch in JWT-secured authorization request (JAR) leading to SSRF","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-x4rv-c3wx-4cr8","CVE-2026-114620"],"plain_summary":"GitHub lists this reviewed advisory for authlib. 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-2b98306762ee16ce07922930e7be0b33"],"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":"CVSS","as_of":"2026-10-27T15:39:20.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4b6d3c97ad3d92e919712fcee07e5be8"},{"kind":"CVSS","as_of":"2026-10-30T21:16:50.870Z","value":"5.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-00e85ab41f51ba4e68926ebcab1e3788"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.385%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32598. Missing scores are unknown.","source_id":"sr-2b98306762ee16ce07922930e7be0b33"}],"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-4b6d3c97ad3d92e919712fcee07e5be8","url":"https://github.com/advisories/GHSA-x4rv-c3wx-4cr8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-x4rv-c3wx-4cr8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-00e85ab41f51ba4e68926ebcab1e3788","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114620","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-114620","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:52.895Z"},{"id":"sr-2b98306762ee16ce07922930e7be0b33","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-2026-114620","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.266Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4b6d3c97ad3d92e919712fcee07e5be8"],"technology":"authlib","known_exclusions":[],"conditions_summary":"### Summary\n\nAuthlib's RFC 9101 (JAR) extension passes the attacker-controlled `request_uri` authorization parameter straight to the `get_request_object()` fetch hook with no validation, at a pre-authentication endpoint. Authlib already defines the pre-registration allowlist for this (`request_uris` client metadata and `require_request_uri_registration` server metadata) but the extension never consults it, and both docstrings instruct integrators to implement the hook as an unrestricted `requests.get(request_uri)`. Deployments following the documented pattern get an unauthenticated SSRF primitive. \n### Details\n\nVerified against authlib 1.7.2 and current `main`. All line numbers below are from `authlib/oauth2/rfc9101/authorization_server.py`.\n\nThe extension registers itself on the `before_get_authorization_grant` hook (lines 62-65), so it runs on every authorization request before any user or client authentication. `support_request_uri` defaults to `True` (line 58).\n\nThe only gate before the sink is that `client_id` names an existing client (lines 91-103). A `client_id` is a public, non-secret identifier.\n\nThe sink at line 159 forwards the raw parameter with no scheme, host, or allo","public_affected_ranges":[">= 1.6.0, < 1.9.0"]}],"null_published_at":"2026-11-06T15:18:11.457Z","source_updated_at":"2026-10-27T15:39:20.000Z","source_disclosed_at":"2026-10-27T15:39:18.000Z","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":"2026-10-31T21:56:51.534Z"},{"id":"NVI-00008961","kind":"vulnerability","title":"Authlib: Unvalidated request_uri fetch in JWT-secured authorization request (JAR) leading to SSRF","revision":3,"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-x4rv-c3wx-4cr8","CVE-2026-114620"],"plain_summary":"GitHub lists this reviewed advisory for authlib. 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-89f984c570666cd29b92b78e4a5ec2d7"],"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":"CVSS","as_of":"2026-10-27T15:39:20.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4b6d3c97ad3d92e919712fcee07e5be8"},{"kind":"CVSS","as_of":"2026-10-30T21:16:50.870Z","value":"5.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-00e85ab41f51ba4e68926ebcab1e3788"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.385%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32603. Missing scores are unknown.","source_id":"sr-89f984c570666cd29b92b78e4a5ec2d7"}],"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-4b6d3c97ad3d92e919712fcee07e5be8","url":"https://github.com/advisories/GHSA-x4rv-c3wx-4cr8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-x4rv-c3wx-4cr8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-00e85ab41f51ba4e68926ebcab1e3788","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114620","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-114620","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:52.895Z"},{"id":"sr-89f984c570666cd29b92b78e4a5ec2d7","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-2026-114620","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.374Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4b6d3c97ad3d92e919712fcee07e5be8"],"technology":"authlib","known_exclusions":[],"conditions_summary":"### Summary\n\nAuthlib's RFC 9101 (JAR) extension passes the attacker-controlled `request_uri` authorization parameter straight to the `get_request_object()` fetch hook with no validation, at a pre-authentication endpoint. Authlib already defines the pre-registration allowlist for this (`request_uris` client metadata and `require_request_uri_registration` server metadata) but the extension never consults it, and both docstrings instruct integrators to implement the hook as an unrestricted `requests.get(request_uri)`. Deployments following the documented pattern get an unauthenticated SSRF primitive. \n### Details\n\nVerified against authlib 1.7.2 and current `main`. All line numbers below are from `authlib/oauth2/rfc9101/authorization_server.py`.\n\nThe extension registers itself on the `before_get_authorization_grant` hook (lines 62-65), so it runs on every authorization request before any user or client authentication. `support_request_uri` defaults to `True` (line 58).\n\nThe only gate before the sink is that `client_id` names an existing client (lines 91-103). A `client_id` is a public, non-secret identifier.\n\nThe sink at line 159 forwards the raw parameter with no scheme, host, or allo","public_affected_ranges":[">= 1.6.0, < 1.9.0"]}],"null_published_at":"2026-11-03T10:03:31.365Z","source_updated_at":"2026-10-27T15:39:20.000Z","source_disclosed_at":"2026-10-27T15:39:18.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:51.534Z"},{"id":"NVI-00008961","kind":"vulnerability","title":"Authlib: Unvalidated request_uri fetch in JWT-secured authorization request (JAR) leading to SSRF","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-x4rv-c3wx-4cr8","CVE-2026-114620"],"plain_summary":"GitHub lists this reviewed advisory for authlib. 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-89f984c570666cd29b92b78e4a5ec2d7"],"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":"CVSS","as_of":"2026-10-27T15:39:20.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4b6d3c97ad3d92e919712fcee07e5be8"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.385%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32603. Missing scores are unknown.","source_id":"sr-89f984c570666cd29b92b78e4a5ec2d7"}],"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-4b6d3c97ad3d92e919712fcee07e5be8","url":"https://github.com/advisories/GHSA-x4rv-c3wx-4cr8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-x4rv-c3wx-4cr8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-89f984c570666cd29b92b78e4a5ec2d7","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-2026-114620","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.374Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4b6d3c97ad3d92e919712fcee07e5be8"],"technology":"authlib","known_exclusions":[],"conditions_summary":"### Summary\n\nAuthlib's RFC 9101 (JAR) extension passes the attacker-controlled `request_uri` authorization parameter straight to the `get_request_object()` fetch hook with no validation, at a pre-authentication endpoint. Authlib already defines the pre-registration allowlist for this (`request_uris` client metadata and `require_request_uri_registration` server metadata) but the extension never consults it, and both docstrings instruct integrators to implement the hook as an unrestricted `requests.get(request_uri)`. Deployments following the documented pattern get an unauthenticated SSRF primitive. \n### Details\n\nVerified against authlib 1.7.2 and current `main`. All line numbers below are from `authlib/oauth2/rfc9101/authorization_server.py`.\n\nThe extension registers itself on the `before_get_authorization_grant` hook (lines 62-65), so it runs on every authorization request before any user or client authentication. `support_request_uri` defaults to `True` (line 58).\n\nThe only gate before the sink is that `client_id` names an existing client (lines 91-103). A `client_id` is a public, non-secret identifier.\n\nThe sink at line 159 forwards the raw parameter with no scheme, host, or allo","public_affected_ranges":[">= 1.6.0, < 1.9.0"]}],"null_published_at":"2026-11-03T02:33:09.127Z","source_updated_at":"2026-10-27T15:39:20.000Z","source_disclosed_at":"2026-10-27T15:39:18.000Z","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":"2026-10-31T21:56:51.534Z"},{"id":"NVI-00008961","kind":"vulnerability","title":"Authlib: Unvalidated request_uri fetch in JWT-secured authorization request (JAR) leading to SSRF","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-x4rv-c3wx-4cr8","CVE-2026-114620"],"plain_summary":"GitHub lists this reviewed advisory for authlib. 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-4b6d3c97ad3d92e919712fcee07e5be8"],"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":"CVSS","as_of":"2026-10-27T15:39:20.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4b6d3c97ad3d92e919712fcee07e5be8"}],"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-4b6d3c97ad3d92e919712fcee07e5be8","url":"https://github.com/advisories/GHSA-x4rv-c3wx-4cr8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-x4rv-c3wx-4cr8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4b6d3c97ad3d92e919712fcee07e5be8"],"technology":"authlib","known_exclusions":[],"conditions_summary":"### Summary\n\nAuthlib's RFC 9101 (JAR) extension passes the attacker-controlled `request_uri` authorization parameter straight to the `get_request_object()` fetch hook with no validation, at a pre-authentication endpoint. Authlib already defines the pre-registration allowlist for this (`request_uris` client metadata and `require_request_uri_registration` server metadata) but the extension never consults it, and both docstrings instruct integrators to implement the hook as an unrestricted `requests.get(request_uri)`. Deployments following the documented pattern get an unauthenticated SSRF primitive. \n### Details\n\nVerified against authlib 1.7.2 and current `main`. All line numbers below are from `authlib/oauth2/rfc9101/authorization_server.py`.\n\nThe extension registers itself on the `before_get_authorization_grant` hook (lines 62-65), so it runs on every authorization request before any user or client authentication. `support_request_uri` defaults to `True` (line 58).\n\nThe only gate before the sink is that `client_id` names an existing client (lines 91-103). A `client_id` is a public, non-secret identifier.\n\nThe sink at line 159 forwards the raw parameter with no scheme, host, or allo","public_affected_ranges":[">= 1.6.0, < 1.9.0"]}],"null_published_at":"2026-10-31T22:13:27.124Z","source_updated_at":"2026-10-27T15:39:20.000Z","source_disclosed_at":"2026-10-27T15:39:18.000Z","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":"2026-10-31T21:56:51.534Z"}],"next_cursor":null,"snapshot_revision":"42594"}