{"items":[{"id":"NVI-00009055","kind":"vulnerability","title":"i18next-http-backend: Namespace value starting with / forms a protocol-relative URL when loadPath/addPath places {{ns}} right after a / (bypass of the // check added for GHSA-xvq9-wjp8-hwqf)","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9jhj-wvmw-cfx5","CVE-2026-115730"],"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-05d78a5abdf77e4a465c2d9423b1f26e"],"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 4.0.3 for i18next-http-backend. Confirm the publisher’s latest guidance.","source_ids":["sr-9b43c25809cbfedf2ee9a316528aa66a"],"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":"2026-10-29T00:27:19.000Z","value":"3.1 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-93ad67fdd7e4f50703597b148566b2ea"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.318%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.24815. Missing scores are unknown.","source_id":"sr-05d78a5abdf77e4a465c2d9423b1f26e"}],"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-93ad67fdd7e4f50703597b148566b2ea","url":"https://github.com/advisories/GHSA-9jhj-wvmw-cfx5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9jhj-wvmw-cfx5","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-9b43c25809cbfedf2ee9a316528aa66a","url":"https://github.com/advisories/GHSA-9jhj-wvmw-cfx5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9jhj-wvmw-cfx5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T14:29:59.829Z"},{"id":"sr-05d78a5abdf77e4a465c2d9423b1f26e","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-2026-115730","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.266Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-93ad67fdd7e4f50703597b148566b2ea"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"## Affected versions\nVerified on 4.0.2 (latest on npm) and on commit 07e0288 (the GHSA-xvq9-wjp8-hwqf fix). Earlier 3.x/4.x versions that allow `/` in ns are likely affected too. Not verified on them.\n\n## Impact\nSame class as GHSA-xvq9-wjp8-hwqf and GHSA-q89c-q3h5-w34g: when an attacker controls the namespace value, the request goes to an attacker-chosen origin. In a browser this loads attacker-controlled translation JSON (content injection into the UI, and XSS where translations are rendered as HTML). The precondition is a template with `{{ns}}` right after a leading `/`, for example `/{{ns}}/{{lng}}.json`. The 4.0.2 maintainer note says templates with a leading `/` are safe. This case is outside that statement.\n\n## Root cause\n`isSafeNsUrlSegment` rejects any ns containing `//`, but allows a single leading `/` (needed for nested namespaces like `a/b`). Interpolation into `/{{ns}}/...` puts the template's own `/` next to the value's `/`. The result starts with `//`, which is a protocol-relative URL. The check runs on the value, not on the final URL.\n\n## Minimal PoC\n```js\nimport Backend from 'i18next-http-backend'\nconst b = new Backend(null, { loadPath: '/{{ns}}/{{lng}}.json',\n  req","public_affected_ranges":["< 4.0.3"]},{"certainty":"source_listed","source_ids":["sr-9b43c25809cbfedf2ee9a316528aa66a"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"## Affected versions\nVerified on 4.0.2 (latest on npm) and on commit 07e0288 (the GHSA-xvq9-wjp8-hwqf fix). Earlier 3.x/4.x versions that allow `/` in ns are likely affected too. Not verified on them.\n\n## Impact\nSame class as GHSA-xvq9-wjp8-hwqf and GHSA-q89c-q3h5-w34g: when an attacker controls the namespace value, the request goes to an attacker-chosen origin. In a browser this loads attacker-controlled translation JSON (content injection into the UI, and XSS where translations are rendered as HTML). The precondition is a template with `{{ns}}` right after a leading `/`, for example `/{{ns}}/{{lng}}.json`. The 4.0.2 maintainer note says templates with a leading `/` are safe. This case is outside that statement.\n\n## Root cause\n`isSafeNsUrlSegment` rejects any ns containing `//`, but allows a single leading `/` (needed for nested namespaces like `a/b`). Interpolation into `/{{ns}}/...` puts the template's own `/` next to the value's `/`. The result starts with `//`, which is a protocol-relative URL. The check runs on the value, not on the final URL.\n\n## Minimal PoC\n```js\nimport Backend from 'i18next-http-backend'\nconst b = new Backend(null, { loadPath: '/{{ns}}/{{lng}}.json',\n  req","public_affected_ranges":["SEMVER: introduced 0; fixed 4.0.3"]}],"null_published_at":"2026-11-02T20:21:07.804Z","source_updated_at":"2026-10-29T00:27:19.000Z","source_disclosed_at":"2026-10-28T21:07:57.000Z","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-00009055","kind":"vulnerability","title":"i18next-http-backend: Namespace value starting with / forms a protocol-relative URL when loadPath/addPath places {{ns}} right after a / (bypass of the // check added for GHSA-xvq9-wjp8-hwqf)","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9jhj-wvmw-cfx5","CVE-2026-115730"],"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-1e4c7b3c87877c0da1183b3bf0180a3d"],"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 4.0.3 for i18next-http-backend. Confirm the publisher’s latest guidance.","source_ids":["sr-9b43c25809cbfedf2ee9a316528aa66a"],"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":"2026-10-29T00:27:19.000Z","value":"3.1 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-93ad67fdd7e4f50703597b148566b2ea"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.318%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.2482. Missing scores are unknown.","source_id":"sr-1e4c7b3c87877c0da1183b3bf0180a3d"}],"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-93ad67fdd7e4f50703597b148566b2ea","url":"https://github.com/advisories/GHSA-9jhj-wvmw-cfx5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9jhj-wvmw-cfx5","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-9b43c25809cbfedf2ee9a316528aa66a","url":"https://github.com/advisories/GHSA-9jhj-wvmw-cfx5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9jhj-wvmw-cfx5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T14:29:59.829Z"},{"id":"sr-1e4c7b3c87877c0da1183b3bf0180a3d","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-2026-115730","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.374Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-93ad67fdd7e4f50703597b148566b2ea"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"## Affected versions\nVerified on 4.0.2 (latest on npm) and on commit 07e0288 (the GHSA-xvq9-wjp8-hwqf fix). Earlier 3.x/4.x versions that allow `/` in ns are likely affected too. Not verified on them.\n\n## Impact\nSame class as GHSA-xvq9-wjp8-hwqf and GHSA-q89c-q3h5-w34g: when an attacker controls the namespace value, the request goes to an attacker-chosen origin. In a browser this loads attacker-controlled translation JSON (content injection into the UI, and XSS where translations are rendered as HTML). The precondition is a template with `{{ns}}` right after a leading `/`, for example `/{{ns}}/{{lng}}.json`. The 4.0.2 maintainer note says templates with a leading `/` are safe. This case is outside that statement.\n\n## Root cause\n`isSafeNsUrlSegment` rejects any ns containing `//`, but allows a single leading `/` (needed for nested namespaces like `a/b`). Interpolation into `/{{ns}}/...` puts the template's own `/` next to the value's `/`. The result starts with `//`, which is a protocol-relative URL. The check runs on the value, not on the final URL.\n\n## Minimal PoC\n```js\nimport Backend from 'i18next-http-backend'\nconst b = new Backend(null, { loadPath: '/{{ns}}/{{lng}}.json',\n  req","public_affected_ranges":["< 4.0.3"]},{"certainty":"source_listed","source_ids":["sr-9b43c25809cbfedf2ee9a316528aa66a"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"## Affected versions\nVerified on 4.0.2 (latest on npm) and on commit 07e0288 (the GHSA-xvq9-wjp8-hwqf fix). Earlier 3.x/4.x versions that allow `/` in ns are likely affected too. Not verified on them.\n\n## Impact\nSame class as GHSA-xvq9-wjp8-hwqf and GHSA-q89c-q3h5-w34g: when an attacker controls the namespace value, the request goes to an attacker-chosen origin. In a browser this loads attacker-controlled translation JSON (content injection into the UI, and XSS where translations are rendered as HTML). The precondition is a template with `{{ns}}` right after a leading `/`, for example `/{{ns}}/{{lng}}.json`. The 4.0.2 maintainer note says templates with a leading `/` are safe. This case is outside that statement.\n\n## Root cause\n`isSafeNsUrlSegment` rejects any ns containing `//`, but allows a single leading `/` (needed for nested namespaces like `a/b`). Interpolation into `/{{ns}}/...` puts the template's own `/` next to the value's `/`. The result starts with `//`, which is a protocol-relative URL. The check runs on the value, not on the final URL.\n\n## Minimal PoC\n```js\nimport Backend from 'i18next-http-backend'\nconst b = new Backend(null, { loadPath: '/{{ns}}/{{lng}}.json',\n  req","public_affected_ranges":["SEMVER: introduced 0; fixed 4.0.3"]}],"null_published_at":"2026-11-01T14:34:14.086Z","source_updated_at":"2026-10-29T00:27:19.000Z","source_disclosed_at":"2026-10-28T21:07:57.000Z","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-00009055","kind":"vulnerability","title":"i18next-http-backend: Namespace value starting with / forms a protocol-relative URL when loadPath/addPath places {{ns}} right after a / (bypass of the // check added for GHSA-xvq9-wjp8-hwqf)","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9jhj-wvmw-cfx5","CVE-2026-115730"],"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-1e4c7b3c87877c0da1183b3bf0180a3d"],"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":"2026-10-29T00:27:19.000Z","value":"3.1 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-93ad67fdd7e4f50703597b148566b2ea"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.318%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.2482. Missing scores are unknown.","source_id":"sr-1e4c7b3c87877c0da1183b3bf0180a3d"}],"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-93ad67fdd7e4f50703597b148566b2ea","url":"https://github.com/advisories/GHSA-9jhj-wvmw-cfx5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9jhj-wvmw-cfx5","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-1e4c7b3c87877c0da1183b3bf0180a3d","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-2026-115730","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.374Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-93ad67fdd7e4f50703597b148566b2ea"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"## Affected versions\nVerified on 4.0.2 (latest on npm) and on commit 07e0288 (the GHSA-xvq9-wjp8-hwqf fix). Earlier 3.x/4.x versions that allow `/` in ns are likely affected too. Not verified on them.\n\n## Impact\nSame class as GHSA-xvq9-wjp8-hwqf and GHSA-q89c-q3h5-w34g: when an attacker controls the namespace value, the request goes to an attacker-chosen origin. In a browser this loads attacker-controlled translation JSON (content injection into the UI, and XSS where translations are rendered as HTML). The precondition is a template with `{{ns}}` right after a leading `/`, for example `/{{ns}}/{{lng}}.json`. The 4.0.2 maintainer note says templates with a leading `/` are safe. This case is outside that statement.\n\n## Root cause\n`isSafeNsUrlSegment` rejects any ns containing `//`, but allows a single leading `/` (needed for nested namespaces like `a/b`). Interpolation into `/{{ns}}/...` puts the template's own `/` next to the value's `/`. The result starts with `//`, which is a protocol-relative URL. The check runs on the value, not on the final URL.\n\n## Minimal PoC\n```js\nimport Backend from 'i18next-http-backend'\nconst b = new Backend(null, { loadPath: '/{{ns}}/{{lng}}.json',\n  req","public_affected_ranges":["< 4.0.3"]}],"null_published_at":"2026-10-31T22:27:09.606Z","source_updated_at":"2026-10-29T00:27:19.000Z","source_disclosed_at":"2026-10-28T21:07:57.000Z","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-00009055","kind":"vulnerability","title":"i18next-http-backend: Namespace value starting with / forms a protocol-relative URL when loadPath/addPath places {{ns}} right after a / (bypass of the // check added for GHSA-xvq9-wjp8-hwqf)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9jhj-wvmw-cfx5","CVE-2026-115730"],"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-93ad67fdd7e4f50703597b148566b2ea"],"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":"2026-10-29T00:27:19.000Z","value":"3.1 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-93ad67fdd7e4f50703597b148566b2ea"}],"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-93ad67fdd7e4f50703597b148566b2ea","url":"https://github.com/advisories/GHSA-9jhj-wvmw-cfx5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9jhj-wvmw-cfx5","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-93ad67fdd7e4f50703597b148566b2ea"],"technology":"i18next-http-backend","known_exclusions":[],"conditions_summary":"## Affected versions\nVerified on 4.0.2 (latest on npm) and on commit 07e0288 (the GHSA-xvq9-wjp8-hwqf fix). Earlier 3.x/4.x versions that allow `/` in ns are likely affected too. Not verified on them.\n\n## Impact\nSame class as GHSA-xvq9-wjp8-hwqf and GHSA-q89c-q3h5-w34g: when an attacker controls the namespace value, the request goes to an attacker-chosen origin. In a browser this loads attacker-controlled translation JSON (content injection into the UI, and XSS where translations are rendered as HTML). The precondition is a template with `{{ns}}` right after a leading `/`, for example `/{{ns}}/{{lng}}.json`. The 4.0.2 maintainer note says templates with a leading `/` are safe. This case is outside that statement.\n\n## Root cause\n`isSafeNsUrlSegment` rejects any ns containing `//`, but allows a single leading `/` (needed for nested namespaces like `a/b`). Interpolation into `/{{ns}}/...` puts the template's own `/` next to the value's `/`. The result starts with `//`, which is a protocol-relative URL. The check runs on the value, not on the final URL.\n\n## Minimal PoC\n```js\nimport Backend from 'i18next-http-backend'\nconst b = new Backend(null, { loadPath: '/{{ns}}/{{lng}}.json',\n  req","public_affected_ranges":["< 4.0.3"]}],"null_published_at":"2026-10-31T22:13:31.271Z","source_updated_at":"2026-10-29T00:27:19.000Z","source_disclosed_at":"2026-10-28T21:07:57.000Z","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"}