{"cve":"CVE-2026-49821","nvd":{"published":"2026-06-10T18:17:10.100","modified":"2026-06-17T10:55:46.590","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, Fission's buildermgr controller processed Package CRDs without verifying that Package.spec.environment.namespace matched Package.metadata.namespace. 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:N/A:N","score":7.7},"cwes":["CWE-441","CWE-862"],"references":["https://github.com/fission/fission/pull/3379","https://github.com/fission/fission/releases/tag/v1.24.0","https://github.com/fission/fission/security/advisories/GHSA-vjhc-cf4p-72q4"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:38:48.522727527+00:00"},"epss":{"cve":"CVE-2026-49821","score":0.00231,"percentile":0.1399,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-vjhc-cf4p-72q4","url":"https://osv.dev/vulnerability/GHSA-vjhc-cf4p-72q4","summary":"Fission: Cross-namespace Environment reference in Package allows build-time command execution and SA token exfiltration","modified":"2026-07-07T16:11:15.795431080Z","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-2026-5859","url":"https://osv.dev/vulnerability/GO-2026-5859","summary":"Fission: Cross-namespace Environment reference in Package allows build-time command execution and SA token exfiltration in github.com/fission/fission","modified":"2026-07-07T16:00:22.981503530Z","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."]}