{"items":[{"id":"NVI-00015306","kind":"vulnerability","title":"Apache CXF OAuth2 TOCTOU Race Condition in Refresh Token Processing","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-83r6-96m8-r52p","CVE-2026-50631"],"plain_summary":"GitHub lists this reviewed advisory for org.apache.cxf:cxf-rt-rs-security-oauth2, org.apache.cxf:cxf-rt-rs-security-oauth2. 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-22b4756b79128e359643646316d40795"],"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":"2026-08-20T18:32:37.000Z","value":"7.4 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-58fe3c909838ba14acde7751392db0c4"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.293%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.21912. Missing scores are unknown.","source_id":"sr-22b4756b79128e359643646316d40795"}],"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-58fe3c909838ba14acde7751392db0c4","url":"https://github.com/advisories/GHSA-83r6-96m8-r52p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-83r6-96m8-r52p","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:14:33.912Z"},{"id":"sr-22b4756b79128e359643646316d40795","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-2026-50631","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.787Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-58fe3c909838ba14acde7751392db0c4"],"technology":"org.apache.cxf:cxf-rt-rs-security-oauth2","known_exclusions":[],"conditions_summary":"A race condition in AbstractOAuthDataProvider allows concurrent requests using the same Refresh Token to bypass single-use semantics and generate multiple valid Access Tokens, when 'recycleRefreshTokens' is set to false. A leaked refresh token can be replayed concurrently by multiple attackers or threads. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.","public_affected_ranges":[">= 4.2.0, < 4.2.2"]},{"certainty":"source_listed","source_ids":["sr-58fe3c909838ba14acde7751392db0c4"],"technology":"org.apache.cxf:cxf-rt-rs-security-oauth2","known_exclusions":[],"conditions_summary":"A race condition in AbstractOAuthDataProvider allows concurrent requests using the same Refresh Token to bypass single-use semantics and generate multiple valid Access Tokens, when 'recycleRefreshTokens' is set to false. A leaked refresh token can be replayed concurrently by multiple attackers or threads. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.","public_affected_ranges":["< 4.1.7"]}],"null_published_at":"2026-11-08T19:53:33.512Z","source_updated_at":"2026-08-20T18:32:37.000Z","source_disclosed_at":"2026-06-12T12:31:33.000Z","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":"2026-11-02T20:14:33.912Z"},{"id":"NVI-00015306","kind":"vulnerability","title":"Apache CXF OAuth2 TOCTOU Race Condition in Refresh Token Processing","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-83r6-96m8-r52p","CVE-2026-50631"],"plain_summary":"GitHub lists this reviewed advisory for org.apache.cxf:cxf-rt-rs-security-oauth2, org.apache.cxf:cxf-rt-rs-security-oauth2. 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-58fe3c909838ba14acde7751392db0c4"],"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":"2026-08-20T18:32:37.000Z","value":"7.4 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-58fe3c909838ba14acde7751392db0c4"}],"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-58fe3c909838ba14acde7751392db0c4","url":"https://github.com/advisories/GHSA-83r6-96m8-r52p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-83r6-96m8-r52p","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:14:33.912Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-58fe3c909838ba14acde7751392db0c4"],"technology":"org.apache.cxf:cxf-rt-rs-security-oauth2","known_exclusions":[],"conditions_summary":"A race condition in AbstractOAuthDataProvider allows concurrent requests using the same Refresh Token to bypass single-use semantics and generate multiple valid Access Tokens, when 'recycleRefreshTokens' is set to false. A leaked refresh token can be replayed concurrently by multiple attackers or threads. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.","public_affected_ranges":[">= 4.2.0, < 4.2.2"]},{"certainty":"source_listed","source_ids":["sr-58fe3c909838ba14acde7751392db0c4"],"technology":"org.apache.cxf:cxf-rt-rs-security-oauth2","known_exclusions":[],"conditions_summary":"A race condition in AbstractOAuthDataProvider allows concurrent requests using the same Refresh Token to bypass single-use semantics and generate multiple valid Access Tokens, when 'recycleRefreshTokens' is set to false. A leaked refresh token can be replayed concurrently by multiple attackers or threads. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.","public_affected_ranges":["< 4.1.7"]}],"null_published_at":"2026-11-03T10:03:26.568Z","source_updated_at":"2026-08-20T18:32:37.000Z","source_disclosed_at":"2026-06-12T12:31:33.000Z","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":"2026-11-02T20:14:33.912Z"}],"next_cursor":null,"snapshot_revision":"42594"}