{"items":[{"id":"NVI-00010649","kind":"vulnerability","title":"stream-json: FlexAssembler string/RegExp path filters join the full key stack per container start, giving O(depth^2) CPU denial of service","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-jj87-hc4r-jwfw","CVE-2026-114129"],"plain_summary":"GitHub lists this reviewed advisory for stream-json. 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-25fd9d26991da2ffd9cd438571267099"],"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 3.7.0 for stream-json. Confirm the publisher’s latest guidance.","source_ids":["sr-46a2f7ca7723f179dcb200125e369063"],"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":"2026-10-22T15:49:55.000Z","value":"6.2 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8518119104c9f7bd798c5c1f260c815a"},{"kind":"CVSS","as_of":"2026-10-28T18:17:10.430Z","value":"6.2 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6b8c11bcb36fcf835ba0896472a4f34b"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.254%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.17077. Missing scores are unknown.","source_id":"sr-25fd9d26991da2ffd9cd438571267099"}],"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-8518119104c9f7bd798c5c1f260c815a","url":"https://github.com/advisories/GHSA-jj87-hc4r-jwfw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jj87-hc4r-jwfw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-46a2f7ca7723f179dcb200125e369063","url":"https://github.com/advisories/GHSA-jj87-hc4r-jwfw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-jj87-hc4r-jwfw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-06T15:13:52.390Z"},{"id":"sr-6b8c11bcb36fcf835ba0896472a4f34b","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114129","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-114129","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:52.895Z"},{"id":"sr-25fd9d26991da2ffd9cd438571267099","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-2026-114129","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.266Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8518119104c9f7bd798c5c1f260c815a"],"technology":"stream-json","known_exclusions":[],"conditions_summary":"## Summary\n\n`FlexAssembler`, the custom-container assembler shipped in the `stream-json` package (`src/core/utils/flex-assembler.js`, re-exported at `stream-json/utils/flex-assembler.js` and `stream-json/web/utils/flex-assembler.js`), compiles a string or RegExp path `filter` into a matcher that runs `keyStack.join(separator)` on every container start. Because the key stack grows one entry per open object or array with no depth bound, a JSON document nested to depth D drives D container-start tokens that each perform an O(D) join, for O(D^2) total CPU on the single-threaded event loop. An unauthenticated party who can supply JSON bytes to a pipeline that uses a `FlexAssembler` with a string or RegExp rule filter can stall the process with a small input: roughly 96 KB (depth 16000) blocks the event loop for over a second, and the cost grows quadratically.\n\n## Root Cause\n\n`FlexAssembler` reconstructs JavaScript values from the parser token stream and supports custom containers selected by path-matching rules. When a rule `filter` is a string or RegExp, `compileFilter` returns a matcher that computes the joined path from the full key stack before making any match decision. That join i","public_affected_ranges":[">= 2.0.0, <= 3.6.0"]},{"certainty":"source_listed","source_ids":["sr-46a2f7ca7723f179dcb200125e369063"],"technology":"stream-json","known_exclusions":[],"conditions_summary":"## Summary\n\n`FlexAssembler`, the custom-container assembler shipped in the `stream-json` package (`src/core/utils/flex-assembler.js`, re-exported at `stream-json/utils/flex-assembler.js` and `stream-json/web/utils/flex-assembler.js`), compiles a string or RegExp path `filter` into a matcher that runs `keyStack.join(separator)` on every container start. Because the key stack grows one entry per open object or array with no depth bound, a JSON document nested to depth D drives D container-start tokens that each perform an O(D) join, for O(D^2) total CPU on the single-threaded event loop. An unauthenticated party who can supply JSON bytes to a pipeline that uses a `FlexAssembler` with a string or RegExp rule filter can stall the process with a small input: roughly 96 KB (depth 16000) blocks the event loop for over a second, and the cost grows quadratically.\n\n## Root Cause\n\n`FlexAssembler` reconstructs JavaScript values from the parser token stream and supports custom containers selected by path-matching rules. When a rule `filter` is a string or RegExp, `compileFilter` returns a matcher that computes the joined path from the full key stack before making any match decision. That join i","public_affected_ranges":["SEMVER: introduced 2.0.0; fixed 3.7.0"]}],"null_published_at":"2026-11-07T07:07:42.485Z","source_updated_at":"2026-10-22T15:49:55.000Z","source_disclosed_at":"2026-10-22T15:49:54.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010649","kind":"vulnerability","title":"stream-json: FlexAssembler string/RegExp path filters join the full key stack per container start, giving O(depth^2) CPU denial of service","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jj87-hc4r-jwfw","CVE-2026-114129"],"plain_summary":"GitHub lists this reviewed advisory for stream-json. 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-25fd9d26991da2ffd9cd438571267099"],"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 3.7.0 for stream-json. Confirm the publisher’s latest guidance.","source_ids":["sr-46a2f7ca7723f179dcb200125e369063"],"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":"2026-10-22T15:49:55.000Z","value":"6.2 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8518119104c9f7bd798c5c1f260c815a"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.254%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.17077. Missing scores are unknown.","source_id":"sr-25fd9d26991da2ffd9cd438571267099"}],"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-8518119104c9f7bd798c5c1f260c815a","url":"https://github.com/advisories/GHSA-jj87-hc4r-jwfw","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-2026-114129","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.266Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8518119104c9f7bd798c5c1f260c815a"],"technology":"stream-json","known_exclusions":[],"conditions_summary":"## Summary\n\n`FlexAssembler`, the custom-container assembler shipped in the `stream-json` package (`src/core/utils/flex-assembler.js`, re-exported at `stream-json/utils/flex-assembler.js` and `stream-json/web/utils/flex-assembler.js`), compiles a string or RegExp path `filter` into a matcher that runs `keyStack.join(separator)` on every container start. Because the key stack grows one entry per open object or array with no depth bound, a JSON document nested to depth D drives D container-start tokens that each perform an O(D) join, for O(D^2) total CPU on the single-threaded event loop. An unauthenticated party who can supply JSON bytes to a pipeline that uses a `FlexAssembler` with a string or RegExp rule filter can stall the process with a small input: roughly 96 KB (depth 16000) blocks the event loop for over a second, and the cost grows quadratically.\n\n## Root Cause\n\n`FlexAssembler` reconstructs JavaScript values from the parser token stream and supports custom containers selected by path-matching rules. When a rule `filter` is a string or RegExp, `compileFilter` returns a matcher that computes the joined path from the full key stack before making any match decision. That join i","public_affected_ranges":[">= 2.0.0, <= 3.6.0"]},{"certainty":"source_listed","source_ids":["sr-46a2f7ca7723f179dcb200125e369063"],"technology":"stream-json","known_exclusions":[],"conditions_summary":"## Summary\n\n`FlexAssembler`, the custom-container assembler shipped in the `stream-json` package (`src/core/utils/flex-assembler.js`, re-exported at `stream-json/utils/flex-assembler.js` and `stream-json/web/utils/flex-assembler.js`), compiles a string or RegExp path `filter` into a matcher that runs `keyStack.join(separator)` on every container start. Because the key stack grows one entry per open object or array with no depth bound, a JSON document nested to depth D drives D container-start tokens that each perform an O(D) join, for O(D^2) total CPU on the single-threaded event loop. An unauthenticated party who can supply JSON bytes to a pipeline that uses a `FlexAssembler` with a string or RegExp rule filter can stall the process with a small input: roughly 96 KB (depth 16000) blocks the event loop for over a second, and the cost grows quadratically.\n\n## Root Cause\n\n`FlexAssembler` reconstructs JavaScript values from the parser token stream and supports custom containers selected by path-matching rules. When a rule `filter` is a string or RegExp, `compileFilter` returns a matcher that computes the joined path from the full key stack before making any match decision. That join i","public_affected_ranges":["SEMVER: introduced 2.0.0; fixed 3.7.0"]}],"null_published_at":"2026-11-07T00:57:04.325Z","source_updated_at":"2026-10-22T15:49:55.000Z","source_disclosed_at":"2026-10-22T15:49:54.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010649","kind":"vulnerability","title":"stream-json: FlexAssembler string/RegExp path filters join the full key stack per container start, giving O(depth^2) CPU denial of service","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jj87-hc4r-jwfw","CVE-2026-114129"],"plain_summary":"GitHub lists this reviewed advisory for stream-json. 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-25fd9d26991da2ffd9cd438571267099"],"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":"2026-10-22T15:49:55.000Z","value":"6.2 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8518119104c9f7bd798c5c1f260c815a"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.254%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.17077. Missing scores are unknown.","source_id":"sr-25fd9d26991da2ffd9cd438571267099"}],"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-8518119104c9f7bd798c5c1f260c815a","url":"https://github.com/advisories/GHSA-jj87-hc4r-jwfw","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-2026-114129","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.266Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8518119104c9f7bd798c5c1f260c815a"],"technology":"stream-json","known_exclusions":[],"conditions_summary":"## Summary\n\n`FlexAssembler`, the custom-container assembler shipped in the `stream-json` package (`src/core/utils/flex-assembler.js`, re-exported at `stream-json/utils/flex-assembler.js` and `stream-json/web/utils/flex-assembler.js`), compiles a string or RegExp path `filter` into a matcher that runs `keyStack.join(separator)` on every container start. Because the key stack grows one entry per open object or array with no depth bound, a JSON document nested to depth D drives D container-start tokens that each perform an O(D) join, for O(D^2) total CPU on the single-threaded event loop. An unauthenticated party who can supply JSON bytes to a pipeline that uses a `FlexAssembler` with a string or RegExp rule filter can stall the process with a small input: roughly 96 KB (depth 16000) blocks the event loop for over a second, and the cost grows quadratically.\n\n## Root Cause\n\n`FlexAssembler` reconstructs JavaScript values from the parser token stream and supports custom containers selected by path-matching rules. When a rule `filter` is a string or RegExp, `compileFilter` returns a matcher that computes the joined path from the full key stack before making any match decision. That join i","public_affected_ranges":[">= 2.0.0, <= 3.6.0"]}],"null_published_at":"2026-11-06T15:18:11.420Z","source_updated_at":"2026-10-22T15:49:55.000Z","source_disclosed_at":"2026-10-22T15:49:54.000Z","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":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010649","kind":"vulnerability","title":"stream-json: FlexAssembler string/RegExp path filters join the full key stack per container start, giving O(depth^2) CPU denial of service","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jj87-hc4r-jwfw","CVE-2026-114129"],"plain_summary":"GitHub lists this reviewed advisory for stream-json. 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-3b07057d8201ef318db8555ed7f16280"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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Null normalizes fields.","title":"GHSA-jj87-hc4r-jwfw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-3b07057d8201ef318db8555ed7f16280","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-2026-114129","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.688Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8518119104c9f7bd798c5c1f260c815a"],"technology":"stream-json","known_exclusions":[],"conditions_summary":"## Summary\n\n`FlexAssembler`, the custom-container assembler shipped in the `stream-json` package (`src/core/utils/flex-assembler.js`, re-exported at `stream-json/utils/flex-assembler.js` and `stream-json/web/utils/flex-assembler.js`), compiles a string or RegExp path `filter` into a matcher that runs `keyStack.join(separator)` on every container start. Because the key stack grows one entry per open object or array with no depth bound, a JSON document nested to depth D drives D container-start tokens that each perform an O(D) join, for O(D^2) total CPU on the single-threaded event loop. An unauthenticated party who can supply JSON bytes to a pipeline that uses a `FlexAssembler` with a string or RegExp rule filter can stall the process with a small input: roughly 96 KB (depth 16000) blocks the event loop for over a second, and the cost grows quadratically.\n\n## Root Cause\n\n`FlexAssembler` reconstructs JavaScript values from the parser token stream and supports custom containers selected by path-matching rules. When a rule `filter` is a string or RegExp, `compileFilter` returns a matcher that computes the joined path from the full key stack before making any match decision. That join i","public_affected_ranges":[">= 2.0.0, <= 3.6.0"]}],"null_published_at":"2026-10-31T23:18:26.554Z","source_updated_at":"2026-10-22T15:49:55.000Z","source_disclosed_at":"2026-10-22T15:49:54.000Z","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":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010649","kind":"vulnerability","title":"stream-json: FlexAssembler string/RegExp path filters join the full key stack per container start, giving O(depth^2) CPU denial of service","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jj87-hc4r-jwfw","CVE-2026-114129"],"plain_summary":"GitHub lists this reviewed advisory for stream-json. 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Because the key stack grows one entry per open object or array with no depth bound, a JSON document nested to depth D drives D container-start tokens that each perform an O(D) join, for O(D^2) total CPU on the single-threaded event loop. An unauthenticated party who can supply JSON bytes to a pipeline that uses a `FlexAssembler` with a string or RegExp rule filter can stall the process with a small input: roughly 96 KB (depth 16000) blocks the event loop for over a second, and the cost grows quadratically.\n\n## Root Cause\n\n`FlexAssembler` reconstructs JavaScript values from the parser token stream and supports custom containers selected by path-matching rules. When a rule `filter` is a string or RegExp, `compileFilter` returns a matcher that computes the joined path from the full key stack before making any match decision. That join i","public_affected_ranges":[">= 2.0.0, <= 3.6.0"]}],"null_published_at":"2026-10-31T22:27:09.627Z","source_updated_at":"2026-10-22T15:49:55.000Z","source_disclosed_at":"2026-10-22T15:49:54.000Z","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":"2026-10-31T22:07:30.906Z"}],"next_cursor":null,"snapshot_revision":"42594"}