{"items":[{"id":"NVI-00013825","kind":"vulnerability","title":"fast-uri vulnerable to host confusion via percent-encoded authority delimiters","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v39h-62p7-jpjc","CVE-2026-6322"],"plain_summary":"GitHub lists this reviewed advisory for fast-uri, fast-uri. 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-0ed8c228e633a2eec24334bb32c7b7bb"],"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":"2026-09-01T15:31:44.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-0b9cfa63c6ce9a8b6faade82e2aea1dc"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.512%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.43662. Missing scores are unknown.","source_id":"sr-0ed8c228e633a2eec24334bb32c7b7bb"}],"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-0b9cfa63c6ce9a8b6faade82e2aea1dc","url":"https://github.com/advisories/GHSA-v39h-62p7-jpjc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v39h-62p7-jpjc","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T02:21:50.763Z"},{"id":"sr-0ed8c228e633a2eec24334bb32c7b7bb","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-2026-6322","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.861Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0b9cfa63c6ce9a8b6faade82e2aea1dc"],"technology":"fast-uri","known_exclusions":[],"conditions_summary":"### Impact\n\n`fast-uri` v3.1.1 and earlier decodes percent-encoded authority delimiters (`%40` as `@`, `%3A` as `:`) inside the host component and serializes them back as raw characters. This changes the URI structure, turning a hostname into userinfo plus a different host.\n\nFor example, `http://trusted.com%40evil.com/` normalizes to `http://trusted.com@evil.com/`, which reparses as host `evil.com` with userinfo `trusted.com`.\n\nApplications that normalize untrusted URLs before host allowlist checks, redirect validation, or outbound request routing can be steered to a different authority than the original URL appeared to contain.\n\n### Patches\n\nUpgrade to `fast-uri` >= 3.1.2, or if you are in the v2.x release line, v2.4.1\n\n### Workarounds\n\nNone. Upgrade to the patched version.","public_affected_ranges":[">= 3.0.0, <= 3.1.1"]},{"certainty":"source_listed","source_ids":["sr-0b9cfa63c6ce9a8b6faade82e2aea1dc"],"technology":"fast-uri","known_exclusions":[],"conditions_summary":"### Impact\n\n`fast-uri` v3.1.1 and earlier decodes percent-encoded authority delimiters (`%40` as `@`, `%3A` as `:`) inside the host component and serializes them back as raw characters. This changes the URI structure, turning a hostname into userinfo plus a different host.\n\nFor example, `http://trusted.com%40evil.com/` normalizes to `http://trusted.com@evil.com/`, which reparses as host `evil.com` with userinfo `trusted.com`.\n\nApplications that normalize untrusted URLs before host allowlist checks, redirect validation, or outbound request routing can be steered to a different authority than the original URL appeared to contain.\n\n### Patches\n\nUpgrade to `fast-uri` >= 3.1.2, or if you are in the v2.x release line, v2.4.1\n\n### Workarounds\n\nNone. Upgrade to the patched version.","public_affected_ranges":["<= 2.4.0"]}],"null_published_at":"2026-11-04T10:04:47.597Z","source_updated_at":"2026-09-01T15:31:44.000Z","source_disclosed_at":"2026-05-08T19:13:01.000Z","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":"2026-11-02T02:21:50.763Z"},{"id":"NVI-00013825","kind":"vulnerability","title":"fast-uri vulnerable to host confusion via percent-encoded authority delimiters","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v39h-62p7-jpjc","CVE-2026-6322"],"plain_summary":"GitHub lists this reviewed advisory for fast-uri, fast-uri. 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-0b9cfa63c6ce9a8b6faade82e2aea1dc"],"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":"2026-09-01T15:31:44.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-0b9cfa63c6ce9a8b6faade82e2aea1dc"}],"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-0b9cfa63c6ce9a8b6faade82e2aea1dc","url":"https://github.com/advisories/GHSA-v39h-62p7-jpjc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v39h-62p7-jpjc","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T02:21:50.763Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0b9cfa63c6ce9a8b6faade82e2aea1dc"],"technology":"fast-uri","known_exclusions":[],"conditions_summary":"### Impact\n\n`fast-uri` v3.1.1 and earlier decodes percent-encoded authority delimiters (`%40` as `@`, `%3A` as `:`) inside the host component and serializes them back as raw characters. This changes the URI structure, turning a hostname into userinfo plus a different host.\n\nFor example, `http://trusted.com%40evil.com/` normalizes to `http://trusted.com@evil.com/`, which reparses as host `evil.com` with userinfo `trusted.com`.\n\nApplications that normalize untrusted URLs before host allowlist checks, redirect validation, or outbound request routing can be steered to a different authority than the original URL appeared to contain.\n\n### Patches\n\nUpgrade to `fast-uri` >= 3.1.2, or if you are in the v2.x release line, v2.4.1\n\n### Workarounds\n\nNone. Upgrade to the patched version.","public_affected_ranges":[">= 3.0.0, <= 3.1.1"]},{"certainty":"source_listed","source_ids":["sr-0b9cfa63c6ce9a8b6faade82e2aea1dc"],"technology":"fast-uri","known_exclusions":[],"conditions_summary":"### Impact\n\n`fast-uri` v3.1.1 and earlier decodes percent-encoded authority delimiters (`%40` as `@`, `%3A` as `:`) inside the host component and serializes them back as raw characters. This changes the URI structure, turning a hostname into userinfo plus a different host.\n\nFor example, `http://trusted.com%40evil.com/` normalizes to `http://trusted.com@evil.com/`, which reparses as host `evil.com` with userinfo `trusted.com`.\n\nApplications that normalize untrusted URLs before host allowlist checks, redirect validation, or outbound request routing can be steered to a different authority than the original URL appeared to contain.\n\n### Patches\n\nUpgrade to `fast-uri` >= 3.1.2, or if you are in the v2.x release line, v2.4.1\n\n### Workarounds\n\nNone. Upgrade to the patched version.","public_affected_ranges":["<= 2.4.0"]}],"null_published_at":"2026-11-02T10:00:37.156Z","source_updated_at":"2026-09-01T15:31:44.000Z","source_disclosed_at":"2026-05-08T19:13:01.000Z","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":"2026-11-02T02:21:50.763Z"}],"next_cursor":null,"snapshot_revision":"42594"}