{"items":[{"id":"NVI-00013158","kind":"vulnerability","title":"Hono missing validation of cookie name on write path in setCookie()","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-26pp-8wgv-hjvm","CVE-2026-56762"],"plain_summary":"GitHub lists this reviewed advisory for hono. 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-0458242c0428caeefd82bdb7e7dab5bb"],"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":"2026-09-24T18:25:35.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7c3672e96edb6d901cfae1181dcc8450"},{"kind":"CVSS","as_of":"2026-06-24T13:16:37.203Z","value":"5.3 MEDIUM (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-367ff2bf5ecc10916ea6e75720e1662f"},{"kind":"CVSS","as_of":"2026-06-24T13:16:37.203Z","value":"6.9 MEDIUM (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-367ff2bf5ecc10916ea6e75720e1662f"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.418%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36123. Missing scores are unknown.","source_id":"sr-0458242c0428caeefd82bdb7e7dab5bb"}],"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-7c3672e96edb6d901cfae1181dcc8450","url":"https://github.com/advisories/GHSA-26pp-8wgv-hjvm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-26pp-8wgv-hjvm","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-367ff2bf5ecc10916ea6e75720e1662f","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56762","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-56762","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T22:35:57.723Z"},{"id":"sr-0458242c0428caeefd82bdb7e7dab5bb","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-2026-56762","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.858Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7c3672e96edb6d901cfae1181dcc8450"],"technology":"hono","known_exclusions":[],"conditions_summary":"## Summary\n\nCookie names are not validated on the write path when using `setCookie()`, `serialize()`, or `serializeSigned()` to generate Set-Cookie headers.\n\nWhile certain cookie attributes such as domain and path are validated, the cookie name itself may contain invalid characters.\n\nThis results in inconsistent handling of cookie names between parsing (read path) and serialization (write path).\n\n## Details\n\nWhen applications use `setCookie()`, `serialize()`, or `serializeSigned()` with a user-controlled cookie name, invalid values (e.g., containing control characters such as `\\r` or `\\n`) can be used to construct malformed `Set-Cookie` header values.\n\nFor example:\n\n```\nSet-Cookie: legit\nX-Injected: evil=value\n```\n\nHowever, in modern runtimes such as Node.js and Cloudflare Workers, such invalid header values are rejected and result in a runtime error before the response is sent.\n\nAs a result, the reported header injection / response splitting behavior could not be reproduced in these environments.\n\n## Impact\n\nApplications that pass untrusted input as the cookie name to `setCookie()`, `serialize()`, or `serializeSigned()` may encounter runtime errors due to invalid header values.\n\nI","public_affected_ranges":["< 4.12.12"]}],"null_published_at":"2026-11-04T10:04:35.931Z","source_updated_at":"2026-09-24T18:25:35.000Z","source_disclosed_at":"2026-04-08T00:17:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T07:24:52.155Z"},{"id":"NVI-00013158","kind":"vulnerability","title":"Hono missing validation of cookie name on write path in setCookie()","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-26pp-8wgv-hjvm","CVE-2026-56762"],"plain_summary":"GitHub lists this reviewed advisory for hono. 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-0458242c0428caeefd82bdb7e7dab5bb"],"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":"2026-09-24T18:25:35.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7c3672e96edb6d901cfae1181dcc8450"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.418%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36123. Missing scores are unknown.","source_id":"sr-0458242c0428caeefd82bdb7e7dab5bb"}],"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-7c3672e96edb6d901cfae1181dcc8450","url":"https://github.com/advisories/GHSA-26pp-8wgv-hjvm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-26pp-8wgv-hjvm","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-0458242c0428caeefd82bdb7e7dab5bb","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-2026-56762","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.858Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7c3672e96edb6d901cfae1181dcc8450"],"technology":"hono","known_exclusions":[],"conditions_summary":"## Summary\n\nCookie names are not validated on the write path when using `setCookie()`, `serialize()`, or `serializeSigned()` to generate Set-Cookie headers.\n\nWhile certain cookie attributes such as domain and path are validated, the cookie name itself may contain invalid characters.\n\nThis results in inconsistent handling of cookie names between parsing (read path) and serialization (write path).\n\n## Details\n\nWhen applications use `setCookie()`, `serialize()`, or `serializeSigned()` with a user-controlled cookie name, invalid values (e.g., containing control characters such as `\\r` or `\\n`) can be used to construct malformed `Set-Cookie` header values.\n\nFor example:\n\n```\nSet-Cookie: legit\nX-Injected: evil=value\n```\n\nHowever, in modern runtimes such as Node.js and Cloudflare Workers, such invalid header values are rejected and result in a runtime error before the response is sent.\n\nAs a result, the reported header injection / response splitting behavior could not be reproduced in these environments.\n\n## Impact\n\nApplications that pass untrusted input as the cookie name to `setCookie()`, `serialize()`, or `serializeSigned()` may encounter runtime errors due to invalid header values.\n\nI","public_affected_ranges":["< 4.12.12"]}],"null_published_at":"2026-11-03T17:49:14.999Z","source_updated_at":"2026-09-24T18:25:35.000Z","source_disclosed_at":"2026-04-08T00:17:02.000Z","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":"2026-11-01T07:24:52.155Z"},{"id":"NVI-00013158","kind":"vulnerability","title":"Hono missing validation of cookie name on write path in setCookie()","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-26pp-8wgv-hjvm","CVE-2026-56762"],"plain_summary":"GitHub lists this reviewed advisory for hono. 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-7c3672e96edb6d901cfae1181dcc8450"],"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":"2026-09-24T18:25:35.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7c3672e96edb6d901cfae1181dcc8450"}],"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-7c3672e96edb6d901cfae1181dcc8450","url":"https://github.com/advisories/GHSA-26pp-8wgv-hjvm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-26pp-8wgv-hjvm","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7c3672e96edb6d901cfae1181dcc8450"],"technology":"hono","known_exclusions":[],"conditions_summary":"## Summary\n\nCookie names are not validated on the write path when using `setCookie()`, `serialize()`, or `serializeSigned()` to generate Set-Cookie headers.\n\nWhile certain cookie attributes such as domain and path are validated, the cookie name itself may contain invalid characters.\n\nThis results in inconsistent handling of cookie names between parsing (read path) and serialization (write path).\n\n## Details\n\nWhen applications use `setCookie()`, `serialize()`, or `serializeSigned()` with a user-controlled cookie name, invalid values (e.g., containing control characters such as `\\r` or `\\n`) can be used to construct malformed `Set-Cookie` header values.\n\nFor example:\n\n```\nSet-Cookie: legit\nX-Injected: evil=value\n```\n\nHowever, in modern runtimes such as Node.js and Cloudflare Workers, such invalid header values are rejected and result in a runtime error before the response is sent.\n\nAs a result, the reported header injection / response splitting behavior could not be reproduced in these environments.\n\n## Impact\n\nApplications that pass untrusted input as the cookie name to `setCookie()`, `serialize()`, or `serializeSigned()` may encounter runtime errors due to invalid header values.\n\nI","public_affected_ranges":["< 4.12.12"]}],"null_published_at":"2026-11-01T07:29:12.927Z","source_updated_at":"2026-09-24T18:25:35.000Z","source_disclosed_at":"2026-04-08T00:17:02.000Z","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":"2026-11-01T07:24:52.155Z"}],"next_cursor":null,"snapshot_revision":"42594"}