{"id":"CVE-2024-40634","summary":"Argo CD Unauthenticated Denial of Service (DoS) Vulnerability via /api/webhook Endpoint","details":"Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. This report details a security vulnerability in Argo CD, where an unauthenticated attacker can send a specially crafted large JSON payload to the /api/webhook endpoint, causing excessive memory allocation that leads to service disruption by triggering an Out Of Memory (OOM) kill. The issue poses a high risk to the availability of Argo CD deployments. This vulnerability is fixed in 2.11.6, 2.10.15, and 2.9.20.\n","aliases":["BIT-argo-cd-2024-40634","GHSA-jmvp-698c-4x3w","GO-2024-3002"],"modified":"2026-05-18T05:58:54.555237681Z","published":"2024-07-22T17:22:55.732Z","related":["CGA-29w5-pm2p-pq8v"],"database_specific":{"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40634.json","cwe_ids":["CWE-400"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40634.json"},{"type":"ADVISORY","url":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-40634"},{"type":"FIX","url":"https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc"},{"type":"FIX","url":"https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36"},{"type":"FIX","url":"https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/argoproj/argo-cd","events":[{"introduced":"d3f33c00197e7f1d16f2a73ce1aeced464b07175"},{"fixed":"089247df0f15e64813d00a2d1271a2095feecad4"}]}],"versions":["v2.11.5","v2.11.4","v2.11.3","v2.11.2","v2.11.1","v2.11.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-40634.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}