{"id":"CVE-2026-49822","aliases":["GHSA-gc3j-79f2-7vvw","GO-2026-5854"],"url":"https://o3.security/vulnerability/CVE-2026-49822","summary":"Fission: Cross-namespace event leakage via KubernetesWatchTrigger allows persistent tenant surveillance","details":"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 low-privilege developer who could create a KubernetesWatchTrigger (KWT) in their own namespace was able to establish a persistent surveillance channel over any other namespace. This issue has been patched in version 1.24.0.","published":"2026-06-10T17:22:08.007Z","modified":"2026-08-12T03:51:11.635669610Z","cvss":{"score":7.7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/fission/fission","fixedVersion":"1.24.0"}],"fix":{"url":"https://github.com/fission/fission/pull/3379","label":"fission/fission#3379"},"references":[{"type":"WEB","url":"https://github.com/fission/fission/releases/tag/v1.24.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49822.json"},{"type":"ADVISORY","url":"https://github.com/fission/fission/security/advisories/GHSA-gc3j-79f2-7vvw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49822"},{"type":"FIX","url":"https://github.com/fission/fission/pull/3379"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:11.635669610Z"}}