{"items":[{"id":"NVI-00009019","kind":"vulnerability","title":"Keycloak vulnerable to cross-site scripting (xss) via case-insensitive uri validation bypass","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-v3f7-2p4r-mwfw","CVE-2026-9086"],"plain_summary":"GitHub lists this reviewed advisory for org.keycloak:keycloak-services. 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-4239eac5ba1ec78aae3d943865ba4577"],"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":"2026-10-29T16:39:04.000Z","value":"7.3 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7a4d4d6ea4e3e7cb54e9a430f9a66d71"},{"kind":"CVSS","as_of":"2026-07-15T01:17:08.417Z","value":"7.3 HIGH (3.1)","meaning":"secalert@redhat.com severity; no combined Null risk score.","source_id":"sr-4a2c969f1b8fd5208509bcef98f1a2fc"},{"kind":"CVSS","as_of":"2026-07-15T01:17:08.417Z","value":"7.3 HIGH (3.1)","meaning":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c severity; no combined Null risk score.","source_id":"sr-4a2c969f1b8fd5208509bcef98f1a2fc"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.781%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.55967. Missing scores are unknown.","source_id":"sr-4239eac5ba1ec78aae3d943865ba4577"}],"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-7a4d4d6ea4e3e7cb54e9a430f9a66d71","url":"https://github.com/advisories/GHSA-v3f7-2p4r-mwfw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v3f7-2p4r-mwfw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"},{"id":"sr-4a2c969f1b8fd5208509bcef98f1a2fc","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9086","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-9086","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:38.530Z"},{"id":"sr-4239eac5ba1ec78aae3d943865ba4577","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-2026-9086","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.386Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7a4d4d6ea4e3e7cb54e9a430f9a66d71"],"technology":"org.keycloak:keycloak-services","known_exclusions":[],"conditions_summary":"### Description\nA flaw was found in Keycloak. A remote attacker with administrative privileges, specifically those with `manage-client` permission or access to client registration endpoints, could bypass client Uniform Resource Identifier (URI) validation. This is achieved by registering a malicious client with a specially crafted redirect URI using a case-insensitive `javascript:` or `data:` scheme. This Cross-Site Scripting (XSS) vulnerability allows for arbitrary code execution in the Keycloak origin when a victim clicks the crafted link, such as in the logout flow or the Admin Console.","public_affected_ranges":["< 26.6.4"]}],"null_published_at":"2026-11-05T19:10:23.247Z","source_updated_at":"2026-10-29T16:39:04.000Z","source_disclosed_at":"2026-10-29T16:39:03.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:55:49.621Z"},{"id":"NVI-00009019","kind":"vulnerability","title":"Keycloak vulnerable to cross-site scripting (xss) via case-insensitive uri validation bypass","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v3f7-2p4r-mwfw","CVE-2026-9086"],"plain_summary":"GitHub lists this reviewed advisory for org.keycloak:keycloak-services. 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-4239eac5ba1ec78aae3d943865ba4577"],"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":"2026-10-29T16:39:04.000Z","value":"7.3 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7a4d4d6ea4e3e7cb54e9a430f9a66d71"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.781%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.55967. Missing scores are unknown.","source_id":"sr-4239eac5ba1ec78aae3d943865ba4577"}],"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-7a4d4d6ea4e3e7cb54e9a430f9a66d71","url":"https://github.com/advisories/GHSA-v3f7-2p4r-mwfw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v3f7-2p4r-mwfw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"},{"id":"sr-4239eac5ba1ec78aae3d943865ba4577","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-2026-9086","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.386Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7a4d4d6ea4e3e7cb54e9a430f9a66d71"],"technology":"org.keycloak:keycloak-services","known_exclusions":[],"conditions_summary":"### Description\nA flaw was found in Keycloak. A remote attacker with administrative privileges, specifically those with `manage-client` permission or access to client registration endpoints, could bypass client Uniform Resource Identifier (URI) validation. This is achieved by registering a malicious client with a specially crafted redirect URI using a case-insensitive `javascript:` or `data:` scheme. This Cross-Site Scripting (XSS) vulnerability allows for arbitrary code execution in the Keycloak origin when a victim clicks the crafted link, such as in the logout flow or the Admin Console.","public_affected_ranges":["< 26.6.4"]}],"null_published_at":"2026-10-31T23:18:17.215Z","source_updated_at":"2026-10-29T16:39:04.000Z","source_disclosed_at":"2026-10-29T16:39:03.000Z","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":"2026-10-31T21:55:49.621Z"},{"id":"NVI-00009019","kind":"vulnerability","title":"Keycloak vulnerable to cross-site scripting (xss) via case-insensitive uri validation bypass","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v3f7-2p4r-mwfw","CVE-2026-9086"],"plain_summary":"GitHub lists this reviewed advisory for org.keycloak:keycloak-services. 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-7a4d4d6ea4e3e7cb54e9a430f9a66d71"],"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":"2026-10-29T16:39:04.000Z","value":"7.3 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7a4d4d6ea4e3e7cb54e9a430f9a66d71"}],"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-7a4d4d6ea4e3e7cb54e9a430f9a66d71","url":"https://github.com/advisories/GHSA-v3f7-2p4r-mwfw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v3f7-2p4r-mwfw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7a4d4d6ea4e3e7cb54e9a430f9a66d71"],"technology":"org.keycloak:keycloak-services","known_exclusions":[],"conditions_summary":"### Description\nA flaw was found in Keycloak. A remote attacker with administrative privileges, specifically those with `manage-client` permission or access to client registration endpoints, could bypass client Uniform Resource Identifier (URI) validation. This is achieved by registering a malicious client with a specially crafted redirect URI using a case-insensitive `javascript:` or `data:` scheme. This Cross-Site Scripting (XSS) vulnerability allows for arbitrary code execution in the Keycloak origin when a victim clicks the crafted link, such as in the logout flow or the Admin Console.","public_affected_ranges":["< 26.6.4"]}],"null_published_at":"2026-10-31T22:13:27.128Z","source_updated_at":"2026-10-29T16:39:04.000Z","source_disclosed_at":"2026-10-29T16:39:03.000Z","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":"2026-10-31T21:55:49.621Z"}],"next_cursor":null,"snapshot_revision":"42594"}