{"id":"CVE-2026-119036","aliases":[],"cve":{"records":[{"id":"CVE-2026-119036","source":"CPANSec","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-29T11:38:31.744Z","published":"2026-10-30T12:56:09.479Z","modified":"2026-10-30T12:56:09.479Z"}],"publishers":[{"name":"CPANSec","role":"CNA","organizationId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","modified":"2026-10-30T12:56:09.479Z"}],"references":[{"url":"https://metacpan.org/release/LEEJO/Business-GoCardless-1.01/changes","tags":["release-notes"],"source":"CPANSec"}],"weaknesses":[{"id":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","source":"CPANSec"}],"applicability":[],"prioritization":[]},"title":"Business::GoCardless versions before 1.01 for Perl allow memory exhaustion by flattening legacy webhook payloads before checking their signature","titleSource":"CPANSec","descriptionSource":"CPANSec","description":"Business::GoCardless versions before 1.01 for Perl allow memory exhaustion by flattening legacy webhook payloads before checking their signature.\n\nA webhook body with a top-level \"payload\" key is verified as a legacy webhook. To rebuild the signed string, the payload is flattened into one key and value pair per leaf, each key carrying the full path to that leaf, and the pairs are then encoded, sorted and joined. A long key holding a long array costs memory proportional to the key length times the array length.\n\nA remote attacker can exhaust memory in the process receiving webhooks with a single request that carries no valid signature.","score":null,"severity":"unknown","published":"2026-10-30T12:56:09.479Z","modified":"2026-10-30T12:56:09.479Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"","name":"Business-GoCardless","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"1.01","versionType":"custom"}],"defaultStatus":"unaffected","packageURL":"pkg:cpan/Business-GoCardless","cpes":[],"source":"CPANSec","url":"https://www.cve.org/CVERecord?id=CVE-2026-119036"}],"remediation":[{"text":"Upgrade to Business-GoCardless 1.01 or later.","source":"CPANSec","url":"https://www.cve.org/CVERecord?id=CVE-2026-119036"}],"references":["https://metacpan.org/release/LEEJO/Business-GoCardless-1.01/changes"],"sources":[{"name":"CVE","id":"CVE-2026-119036","modified":"2026-10-30T12:56:09.479Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-119036"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-10-30T13:08:28.578Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T03:00:34.533Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-10-30T13:10:33.693Z","attemptedAt":"2026-10-30T13:10:33.693Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-30T13:10:34.052Z","attemptedAt":"2026-10-30T13:10:34.052Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T13:10:33.646Z","attemptedAt":"2026-10-30T13:10:33.646Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-30T13:10:33.648Z","attemptedAt":"2026-10-30T13:10:33.648Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-113910","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-113910","modified":"Oct 30, 2026, 12:56:09 PM","checkedAt":"2026-10-30T13:10:33.646Z"}],"aiSummary":{"text":"Business::GoCardless for Perl versions before 1.01 may be vulnerable to memory exhaustion via legacy webhook payloads. An attacker with access to send webhooks can potentially exhaust memory. The weakness is due to allocation of resources without limits or throttling.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T13:11:02.822Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-119036"}]}}