{"items":[{"id":"NVI-00014147","kind":"vulnerability","title":"Angular: Information Leak via `HttpTransferCache` Bypass When Using `withRequestsMadeViaParent`","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p297-fm68-3q8c","CVE-2026-88059"],"plain_summary":"GitHub lists this reviewed advisory for @angular/common, @angular/common, @angular/common, @angular/common. 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-502364ff338ce0515693374e8c1f1395"],"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":"2026-09-10T20:19:20.000Z","value":"4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-502364ff338ce0515693374e8c1f1395"}],"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-502364ff338ce0515693374e8c1f1395","url":"https://github.com/advisories/GHSA-p297-fm68-3q8c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p297-fm68-3q8c","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:05.264Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-502364ff338ce0515693374e8c1f1395"],"technology":"@angular/common","known_exclusions":[],"conditions_summary":"A security bypass vulnerability was discovered in `@angular/common` when Server-Side Rendering (SSR) and hydration are enabled in applications using a hierarchical `HttpClient` configuration with `withRequestsMadeViaParent()`.\n\nThe `HttpTransferCache` utility optimizes hydration by caching outgoing HTTP requests performed during SSR and transferring the cached state to the client-side application via `TransferState` (serialized as JSON in ``). Following the remediation of CVE-2026-50170, `HttpTransferCache` automatically skips caching requests that contain authentication headers or credentials (`Authorization`, `Cookie`, `withCredentials`, etc.).\n\nHowever, when a child `HttpClient` delegates to a parent client via `withRequestsMadeViaParent()`, the child's `TransferCache` interceptor evaluates whether the request is eligible for caching **before** delegating to the parent client's interceptor chain. \n\nIf an outgoing request originates as anonymous from the child client, the child `TransferCache` marks the request as cacheable. When the request reaches a parent interceptor that inject","public_affected_ranges":[">= 22.0.0, < 22.1.1"]},{"certainty":"source_listed","source_ids":["sr-502364ff338ce0515693374e8c1f1395"],"technology":"@angular/common","known_exclusions":[],"conditions_summary":"A security bypass vulnerability was discovered in `@angular/common` when Server-Side Rendering (SSR) and hydration are enabled in applications using a hierarchical `HttpClient` configuration with `withRequestsMadeViaParent()`.\n\nThe `HttpTransferCache` utility optimizes hydration by caching outgoing HTTP requests performed during SSR and transferring the cached state to the client-side application via `TransferState` (serialized as JSON in ``). Following the remediation of CVE-2026-50170, `HttpTransferCache` automatically skips caching requests that contain authentication headers or credentials (`Authorization`, `Cookie`, `withCredentials`, etc.).\n\nHowever, when a child `HttpClient` delegates to a parent client via `withRequestsMadeViaParent()`, the child's `TransferCache` interceptor evaluates whether the request is eligible for caching **before** delegating to the parent client's interceptor chain. \n\nIf an outgoing request originates as anonymous from the child client, the child `TransferCache` marks the request as cacheable. When the request reaches a parent interceptor that inject","public_affected_ranges":[">= 21.0.0, < 21.2.20"]},{"certainty":"source_listed","source_ids":["sr-502364ff338ce0515693374e8c1f1395"],"technology":"@angular/common","known_exclusions":[],"conditions_summary":"A security bypass vulnerability was discovered in `@angular/common` when Server-Side Rendering (SSR) and hydration are enabled in applications using a hierarchical `HttpClient` configuration with `withRequestsMadeViaParent()`.\n\nThe `HttpTransferCache` utility optimizes hydration by caching outgoing HTTP requests performed during SSR and transferring the cached state to the client-side application via `TransferState` (serialized as JSON in ``). Following the remediation of CVE-2026-50170, `HttpTransferCache` automatically skips caching requests that contain authentication headers or credentials (`Authorization`, `Cookie`, `withCredentials`, etc.).\n\nHowever, when a child `HttpClient` delegates to a parent client via `withRequestsMadeViaParent()`, the child's `TransferCache` interceptor evaluates whether the request is eligible for caching **before** delegating to the parent client's interceptor chain. \n\nIf an outgoing request originates as anonymous from the child client, the child `TransferCache` marks the request as cacheable. When the request reaches a parent interceptor that inject","public_affected_ranges":[">= 20.0.0, < 20.3.28"]},{"certainty":"source_listed","source_ids":["sr-502364ff338ce0515693374e8c1f1395"],"technology":"@angular/common","known_exclusions":[],"conditions_summary":"A security bypass vulnerability was discovered in `@angular/common` when Server-Side Rendering (SSR) and hydration are enabled in applications using a hierarchical `HttpClient` configuration with `withRequestsMadeViaParent()`.\n\nThe `HttpTransferCache` utility optimizes hydration by caching outgoing HTTP requests performed during SSR and transferring the cached state to the client-side application via `TransferState` (serialized as JSON in ``). Following the remediation of CVE-2026-50170, `HttpTransferCache` automatically skips caching requests that contain authentication headers or credentials (`Authorization`, `Cookie`, `withCredentials`, etc.).\n\nHowever, when a child `HttpClient` delegates to a parent client via `withRequestsMadeViaParent()`, the child's `TransferCache` interceptor evaluates whether the request is eligible for caching **before** delegating to the parent client's interceptor chain. \n\nIf an outgoing request originates as anonymous from the child client, the child `TransferCache` marks the request as cacheable. When the request reaches a parent interceptor that inject","public_affected_ranges":["<= 19.2.25"]}],"null_published_at":"2026-11-02T10:00:37.213Z","source_updated_at":"2026-09-10T20:19:20.000Z","source_disclosed_at":"2026-09-10T20:19:19.000Z","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":"2026-11-01T22:54:05.264Z"}],"next_cursor":null,"snapshot_revision":"42594"}