{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49823", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-01T18:50:36.055Z", "datePublished": "2026-06-10T17:23:23.682Z", "dateUpdated": "2026-06-10T19:38:29.382Z"}, "containers": {"cna": {"title": "Fission: Cross-namespace Package read via unvalidated PackageRef in Function admission webhook", "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "lang": "en", "description": "CWE-284: Improper Access Control", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/fission/fission/security/advisories/GHSA-3r8v-2xmj-5c39", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/fission/fission/security/advisories/GHSA-3r8v-2xmj-5c39"}, {"name": "https://github.com/fission/fission/pull/3389", "tags": ["x_refsource_MISC"], "url": "https://github.com/fission/fission/pull/3389"}, {"name": "https://github.com/fission/fission/releases/tag/v1.24.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/fission/fission/releases/tag/v1.24.0"}], "affected": [{"vendor": "fission", "product": "fission", "versions": [{"version": "< 1.24.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-10T17:23:23.682Z"}, "descriptions": [{"lang": "en", "value": "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 Fission Function spec carries three reference types \u2014 Secret, ConfigMap, and Package. The first two were namespace-validated by the admission webhook; PackageRef.Namespace was not. This issue has been patched in version 1.24.0."}], "source": {"advisory": "GHSA-3r8v-2xmj-5c39", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-10T19:38:12.392016Z", "id": "CVE-2026-49823", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-10T19:38:29.382Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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 Fission Function spec carries three reference types \u2014 Secret, ConfigMap, and Package. The first two were namespace-validated by the admission webhook; PackageRef.Namespace was not. This issue has been patched in version 1.24.0."}], "id": "CVE-2026-49823", "lastModified": "2026-06-10T19:37:41.437", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-06-10T18:17:10.380", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/fission/fission/pull/3389"}, {"source": "security-advisories@github.com", "url": "https://github.com/fission/fission/releases/tag/v1.24.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/fission/fission/security/advisories/GHSA-3r8v-2xmj-5c39"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}, {"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}