{"cve":"CVE-2026-50566","nvd":{"published":"2026-06-10T18:17:13.040","modified":"2026-06-17T10:57:43.053","status":"Deferred","description":"Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, a tenant with environments.fission.io create/update RBAC can run privileged / allowPrivilegeEscalation / dangerous-capability containers in the Fission function or builder namespace, scheduled under the executor's high-privilege service account — enabling container-sandbox escape, host filesystem and network access, and potential node- and cluster-level compromise. This issue has been patched in version 1.24.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":9.9},"cwes":["CWE-250","CWE-269"],"references":["https://github.com/fission/fission/pull/3406","https://github.com/fission/fission/releases/tag/v1.24.0","https://github.com/fission/fission/security/advisories/GHSA-m63v-2g9w-2w6v"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:38:48.522727527+00:00"},"epss":{"cve":"CVE-2026-50566","score":0.0029,"percentile":0.21607,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-m63v-2g9w-2w6v","url":"https://osv.dev/vulnerability/GHSA-m63v-2g9w-2w6v","summary":"Fission: Environment Runtime.Container and Builder.Container SecurityContext bypass allows privileged pod creation","modified":"2026-07-07T16:11:06.767592091Z","packages":[{"ecosystem":"Go","name":"github.com/fission/fission","purl":"pkg:golang/github.com/fission/fission","ranges":["<1.24.0"],"fixed":["1.24.0"]}]},{"id":"GO-2026-5857","url":"https://osv.dev/vulnerability/GO-2026-5857","summary":"Fission: Environment Runtime.Container and Builder.Container SecurityContext bypass allows privileged pod creation in github.com/fission/fission","modified":"2026-07-07T16:00:22.684168644Z","packages":[{"ecosystem":"Go","name":"github.com/fission/fission","purl":"pkg:golang/github.com/fission/fission","ranges":["<1.24.0"],"fixed":["1.24.0"]}]}],"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."]}