{"items":[{"id":"NVI-00009115","kind":"vulnerability","title":"i18next-http-backend: Query-parameter injection through & and = in lng when loadPath/addPath puts {{lng}} in the query string","revision":5,"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-3cmx-xjww-583x","CVE-2026-118258"],"plain_summary":"GitHub lists this reviewed advisory for i18next-http-backend. 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-2a2c7974da1e3cb68d01d748e367f121"],"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},{"summary":"The original advisory lists fixed boundaries 4.0.4 for i18next-http-backend. Confirm the publisher’s latest guidance.","source_ids":["sr-219b6bdf317f180a3228e2dacf80dda9"],"action_type":"vendor_patch","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":"2026-10-28T21:10:10.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b6a96b3c8b840c9d9055804d0ee42af0"},{"kind":"CVSS","as_of":"2026-11-03T14:17:25.400Z","value":"3.7 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-5f8f20dde3056bd4cce1503addb0ea3a"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.280%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.20572. Missing scores are unknown.","source_id":"sr-2a2c7974da1e3cb68d01d748e367f121"}],"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-b6a96b3c8b840c9d9055804d0ee42af0","url":"https://github.com/advisories/GHSA-3cmx-xjww-583x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-118258","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.268Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b6a96b3c8b840c9d9055804d0ee42af0"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"### Summary\n\nThe URL-segment check added for GHSA-q89c-q3h5-w34g blocks `?`, `#`, `%`, `:`, `/` and `@` in `lng`, but not `&` or `=`, and the checked value is inserted into the URL without encoding. The README documents a multiload loadPath of the form `/locales/resources.json?lng=de+en&ns=ns1+ns2`. With a template like that, an attacker who controls the language value can add or override query parameters on the request the backend sends. By default the language comes from `?lng=`, a cookie or `Accept-Language`. This is the \"query-string injection\" impact described in GHSA-q89c; only the `?` form was closed.\n\nServer side (Express + i18next-http-middleware, default options), `GET /?lng=de%26ns%3Dprivate%26admin%3Dtrue` makes the application request `…?lng=de&ns=private&admin=true&ns=common` from its own translations API.\n\n### Details\n\nThe checks are in `lib/utils.js`. The base check (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L26-L44) rejects:\n\n- empty or >128-character values and prototype keys;\n- `..` and `\\`;\n- `/[?#%:\\s]/`;\n- control characters.\n\n`isSafeLangUrlSegment` (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L51-L55","public_affected_ranges":["< 4.0.4"]},{"certainty":"source_listed","source_ids":["sr-219b6bdf317f180a3228e2dacf80dda9"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"### Summary\n\nThe URL-segment check added for GHSA-q89c-q3h5-w34g blocks `?`, `#`, `%`, `:`, `/` and `@` in `lng`, but not `&` or `=`, and the checked value is inserted into the URL without encoding. The README documents a multiload loadPath of the form `/locales/resources.json?lng=de+en&ns=ns1+ns2`. With a template like that, an attacker who controls the language value can add or override query parameters on the request the backend sends. By default the language comes from `?lng=`, a cookie or `Accept-Language`. This is the \"query-string injection\" impact described in GHSA-q89c; only the `?` form was closed.\n\nServer side (Express + i18next-http-middleware, default options), `GET /?lng=de%26ns%3Dprivate%26admin%3Dtrue` makes the application request `…?lng=de&ns=private&admin=true&ns=common` from its own translations API.\n\n### Details\n\nThe checks are in `lib/utils.js`. The base check (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L26-L44) rejects:\n\n- empty or >128-character values and prototype keys;\n- `..` and `\\`;\n- `/[?#%:\\s]/`;\n- control characters.\n\n`isSafeLangUrlSegment` (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L51-L55","public_affected_ranges":["SEMVER: introduced 0; fixed 4.0.4"]}],"null_published_at":"2026-11-07T18:43:12.114Z","source_updated_at":"2026-10-28T21:10:10.000Z","source_disclosed_at":"2026-10-28T21:10:08.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00009115","kind":"vulnerability","title":"i18next-http-backend: Query-parameter injection through & and = in lng when loadPath/addPath puts {{lng}} in the query string","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-3cmx-xjww-583x","CVE-2026-118258"],"plain_summary":"GitHub lists this reviewed advisory for i18next-http-backend. 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-2a2c7974da1e3cb68d01d748e367f121"],"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},{"summary":"The original advisory lists fixed boundaries 4.0.4 for i18next-http-backend. Confirm the publisher’s latest guidance.","source_ids":["sr-219b6bdf317f180a3228e2dacf80dda9"],"action_type":"vendor_patch","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":"2026-10-28T21:10:10.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b6a96b3c8b840c9d9055804d0ee42af0"},{"kind":"CVSS","as_of":"2026-10-29T15:53:48.130Z","value":"3.7 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1b309555f34065428800005fb8ee7e0e"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.280%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.20572. Missing scores are unknown.","source_id":"sr-2a2c7974da1e3cb68d01d748e367f121"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-118258","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.268Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b6a96b3c8b840c9d9055804d0ee42af0"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"### Summary\n\nThe URL-segment check added for GHSA-q89c-q3h5-w34g blocks `?`, `#`, `%`, `:`, `/` and `@` in `lng`, but not `&` or `=`, and the checked value is inserted into the URL without encoding. The README documents a multiload loadPath of the form `/locales/resources.json?lng=de+en&ns=ns1+ns2`. With a template like that, an attacker who controls the language value can add or override query parameters on the request the backend sends. By default the language comes from `?lng=`, a cookie or `Accept-Language`. This is the \"query-string injection\" impact described in GHSA-q89c; only the `?` form was closed.\n\nServer side (Express + i18next-http-middleware, default options), `GET /?lng=de%26ns%3Dprivate%26admin%3Dtrue` makes the application request `…?lng=de&ns=private&admin=true&ns=common` from its own translations API.\n\n### Details\n\nThe checks are in `lib/utils.js`. The base check (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L26-L44) rejects:\n\n- empty or >128-character values and prototype keys;\n- `..` and `\\`;\n- `/[?#%:\\s]/`;\n- control characters.\n\n`isSafeLangUrlSegment` (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L51-L55","public_affected_ranges":["< 4.0.4"]},{"certainty":"source_listed","source_ids":["sr-219b6bdf317f180a3228e2dacf80dda9"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"### Summary\n\nThe URL-segment check added for GHSA-q89c-q3h5-w34g blocks `?`, `#`, `%`, `:`, `/` and `@` in `lng`, but not `&` or `=`, and the checked value is inserted into the URL without encoding. The README documents a multiload loadPath of the form `/locales/resources.json?lng=de+en&ns=ns1+ns2`. With a template like that, an attacker who controls the language value can add or override query parameters on the request the backend sends. By default the language comes from `?lng=`, a cookie or `Accept-Language`. This is the \"query-string injection\" impact described in GHSA-q89c; only the `?` form was closed.\n\nServer side (Express + i18next-http-middleware, default options), `GET /?lng=de%26ns%3Dprivate%26admin%3Dtrue` makes the application request `…?lng=de&ns=private&admin=true&ns=common` from its own translations API.\n\n### Details\n\nThe checks are in `lib/utils.js`. The base check (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L26-L44) rejects:\n\n- empty or >128-character values and prototype keys;\n- `..` and `\\`;\n- `/[?#%:\\s]/`;\n- control characters.\n\n`isSafeLangUrlSegment` (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L51-L55","public_affected_ranges":["SEMVER: introduced 0; fixed 4.0.4"]}],"null_published_at":"2026-11-06T15:18:11.451Z","source_updated_at":"2026-10-28T21:10:10.000Z","source_disclosed_at":"2026-10-28T21:10:08.000Z","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":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00009115","kind":"vulnerability","title":"i18next-http-backend: Query-parameter injection through & and = in lng when loadPath/addPath puts {{lng}} in the query string","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-3cmx-xjww-583x","CVE-2026-118258"],"plain_summary":"GitHub lists this reviewed advisory for i18next-http-backend. 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The README documents a multiload loadPath of the form `/locales/resources.json?lng=de+en&ns=ns1+ns2`. With a template like that, an attacker who controls the language value can add or override query parameters on the request the backend sends. By default the language comes from `?lng=`, a cookie or `Accept-Language`. This is the \"query-string injection\" impact described in GHSA-q89c; only the `?` form was closed.\n\nServer side (Express + i18next-http-middleware, default options), `GET /?lng=de%26ns%3Dprivate%26admin%3Dtrue` makes the application request `…?lng=de&ns=private&admin=true&ns=common` from its own translations API.\n\n### Details\n\nThe checks are in `lib/utils.js`. The base check (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L26-L44) rejects:\n\n- empty or >128-character values and prototype keys;\n- `..` and `\\`;\n- `/[?#%:\\s]/`;\n- control characters.\n\n`isSafeLangUrlSegment` (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L51-L55","public_affected_ranges":["< 4.0.4"]},{"certainty":"source_listed","source_ids":["sr-219b6bdf317f180a3228e2dacf80dda9"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"### Summary\n\nThe URL-segment check added for GHSA-q89c-q3h5-w34g blocks `?`, `#`, `%`, `:`, `/` and `@` in `lng`, but not `&` or `=`, and the checked value is inserted into the URL without encoding. The README documents a multiload loadPath of the form `/locales/resources.json?lng=de+en&ns=ns1+ns2`. With a template like that, an attacker who controls the language value can add or override query parameters on the request the backend sends. By default the language comes from `?lng=`, a cookie or `Accept-Language`. This is the \"query-string injection\" impact described in GHSA-q89c; only the `?` form was closed.\n\nServer side (Express + i18next-http-middleware, default options), `GET /?lng=de%26ns%3Dprivate%26admin%3Dtrue` makes the application request `…?lng=de&ns=private&admin=true&ns=common` from its own translations API.\n\n### Details\n\nThe checks are in `lib/utils.js`. The base check (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L26-L44) rejects:\n\n- empty or >128-character values and prototype keys;\n- `..` and `\\`;\n- `/[?#%:\\s]/`;\n- control characters.\n\n`isSafeLangUrlSegment` (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L51-L55","public_affected_ranges":["SEMVER: introduced 0; fixed 4.0.4"]}],"null_published_at":"2026-11-03T10:03:31.375Z","source_updated_at":"2026-10-28T21:10:10.000Z","source_disclosed_at":"2026-10-28T21:10:08.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00009115","kind":"vulnerability","title":"i18next-http-backend: Query-parameter injection through & and = in lng when loadPath/addPath puts {{lng}} in the query string","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3cmx-xjww-583x","CVE-2026-118258"],"plain_summary":"GitHub lists this reviewed advisory for i18next-http-backend. 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Null normalizes fields.","title":"GHSA-3cmx-xjww-583x","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-219b6bdf317f180a3228e2dacf80dda9","url":"https://github.com/advisories/GHSA-3cmx-xjww-583x","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-3cmx-xjww-583x","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T14:29:18.706Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b6a96b3c8b840c9d9055804d0ee42af0"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"### Summary\n\nThe URL-segment check added for GHSA-q89c-q3h5-w34g blocks `?`, `#`, `%`, `:`, `/` and `@` in `lng`, but not `&` or `=`, and the checked value is inserted into the URL without encoding. The README documents a multiload loadPath of the form `/locales/resources.json?lng=de+en&ns=ns1+ns2`. With a template like that, an attacker who controls the language value can add or override query parameters on the request the backend sends. By default the language comes from `?lng=`, a cookie or `Accept-Language`. This is the \"query-string injection\" impact described in GHSA-q89c; only the `?` form was closed.\n\nServer side (Express + i18next-http-middleware, default options), `GET /?lng=de%26ns%3Dprivate%26admin%3Dtrue` makes the application request `…?lng=de&ns=private&admin=true&ns=common` from its own translations API.\n\n### Details\n\nThe checks are in `lib/utils.js`. The base check (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L26-L44) rejects:\n\n- empty or >128-character values and prototype keys;\n- `..` and `\\`;\n- `/[?#%:\\s]/`;\n- control characters.\n\n`isSafeLangUrlSegment` (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L51-L55","public_affected_ranges":["< 4.0.4"]},{"certainty":"source_listed","source_ids":["sr-219b6bdf317f180a3228e2dacf80dda9"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"### Summary\n\nThe URL-segment check added for GHSA-q89c-q3h5-w34g blocks `?`, `#`, `%`, `:`, `/` and `@` in `lng`, but not `&` or `=`, and the checked value is inserted into the URL without encoding. The README documents a multiload loadPath of the form `/locales/resources.json?lng=de+en&ns=ns1+ns2`. With a template like that, an attacker who controls the language value can add or override query parameters on the request the backend sends. By default the language comes from `?lng=`, a cookie or `Accept-Language`. This is the \"query-string injection\" impact described in GHSA-q89c; only the `?` form was closed.\n\nServer side (Express + i18next-http-middleware, default options), `GET /?lng=de%26ns%3Dprivate%26admin%3Dtrue` makes the application request `…?lng=de&ns=private&admin=true&ns=common` from its own translations API.\n\n### Details\n\nThe checks are in `lib/utils.js`. The base check (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L26-L44) rejects:\n\n- empty or >128-character values and prototype keys;\n- `..` and `\\`;\n- `/[?#%:\\s]/`;\n- control characters.\n\n`isSafeLangUrlSegment` (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L51-L55","public_affected_ranges":["SEMVER: introduced 0; fixed 4.0.4"]}],"null_published_at":"2026-11-01T14:34:14.082Z","source_updated_at":"2026-10-28T21:10:10.000Z","source_disclosed_at":"2026-10-28T21:10:08.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00009115","kind":"vulnerability","title":"i18next-http-backend: Query-parameter injection through & and = in lng when loadPath/addPath puts {{lng}} in the query string","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3cmx-xjww-583x","CVE-2026-118258"],"plain_summary":"GitHub lists this reviewed advisory for i18next-http-backend. 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-b6a96b3c8b840c9d9055804d0ee42af0"],"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":"2026-10-28T21:10:10.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b6a96b3c8b840c9d9055804d0ee42af0"}],"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-b6a96b3c8b840c9d9055804d0ee42af0","url":"https://github.com/advisories/GHSA-3cmx-xjww-583x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3cmx-xjww-583x","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b6a96b3c8b840c9d9055804d0ee42af0"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"### Summary\n\nThe URL-segment check added for GHSA-q89c-q3h5-w34g blocks `?`, `#`, `%`, `:`, `/` and `@` in `lng`, but not `&` or `=`, and the checked value is inserted into the URL without encoding. The README documents a multiload loadPath of the form `/locales/resources.json?lng=de+en&ns=ns1+ns2`. With a template like that, an attacker who controls the language value can add or override query parameters on the request the backend sends. By default the language comes from `?lng=`, a cookie or `Accept-Language`. This is the \"query-string injection\" impact described in GHSA-q89c; only the `?` form was closed.\n\nServer side (Express + i18next-http-middleware, default options), `GET /?lng=de%26ns%3Dprivate%26admin%3Dtrue` makes the application request `…?lng=de&ns=private&admin=true&ns=common` from its own translations API.\n\n### Details\n\nThe checks are in `lib/utils.js`. The base check (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L26-L44) rejects:\n\n- empty or >128-character values and prototype keys;\n- `..` and `\\`;\n- `/[?#%:\\s]/`;\n- control characters.\n\n`isSafeLangUrlSegment` (https://github.com/i18next/i18next-http-backend/blob/v4.0.3/lib/utils.js#L51-L55","public_affected_ranges":["< 4.0.4"]}],"null_published_at":"2026-10-31T22:13:31.284Z","source_updated_at":"2026-10-28T21:10:10.000Z","source_disclosed_at":"2026-10-28T21:10:08.000Z","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":"2026-10-31T21:56:08.420Z"}],"next_cursor":null,"snapshot_revision":"42594"}