{"cve":"CVE-2025-36852","nvd":{"published":"2025-06-10T20:15:22.877","modified":"2026-06-17T09:14:55.500","status":"Deferred","description":"A critical security vulnerability exists in remote cache extensions for common build systems utilizing bucket-based remote cache (such as those using Amazon S3, Google Cloud Storage, or similar object storage) that allows any contributor with pull request privileges to inject compromised artifacts from an untrusted environment into trusted production environments without detection. \n\n\n\n\nThe vulnerability exploits a fundamental design flaw in the \"first-to-cache wins\" principle, where artifacts built in untrusted environments (feature branches, pull requests) can poison the cache used by trusted environments (protected branches, production deployments). \n\n\n\n\nThis attack bypasses all traditional security measures including encryption, access controls, and checksum validation because the poisoning occurs during the artifact construction phase, before any security measures are applied.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:Y/R:U/V:C/RE:M/U:Red","score":9.4},"cvss_v3":null,"cwes":["CWE-829"],"references":["https://nx.app/files/cve-2025-06"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:02:23.998251710+00:00"},"epss":{"cve":"CVE-2025-36852","score":0.00249,"percentile":0.16294,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rrr2-jcr8-7q3x","url":"https://osv.dev/vulnerability/GHSA-rrr2-jcr8-7q3x","summary":"@nx/azure-cache Vulnerable to Build Cache Poisoning via Untrusted Pull Requests","modified":"2025-10-14T21:42:31.410395Z","packages":[{"ecosystem":"npm","name":"@nx/azure-cache","purl":"pkg:npm/%40nx/azure-cache","ranges":["<=4.0.0"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}