{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23634", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-14T16:08:37.483Z", "datePublished": "2026-01-16T19:14:46.483Z", "dateUpdated": "2026-01-16T21:38:59.905Z"}, "containers": {"cna": {"title": "Pepr Overly Permissive RBAC ClusterRole in Admin Mode", "problemTypes": [{"descriptions": [{"cweId": "CWE-272", "lang": "en", "description": "CWE-272: Least Privilege Violation", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 0, "baseSeverity": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/defenseunicorns/pepr/security/advisories/GHSA-w54x-r83c-x79q", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/defenseunicorns/pepr/security/advisories/GHSA-w54x-r83c-x79q"}, {"name": "https://github.com/defenseunicorns/pepr/releases/tag/v1.0.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/defenseunicorns/pepr/releases/tag/v1.0.5"}], "affected": [{"vendor": "defenseunicorns", "product": "pepr", "versions": [{"version": "< 1.0.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-16T19:14:46.483Z"}, "descriptions": [{"lang": "en", "value": "Pepr is a type safe K8s middleware. Prior to 1.0.5 , Pepr defaults to a cluster-admin RBAC configuration and does not explicitly force or enforce least-privilege guidance for module authors. The default behavior exists to make the \u201cgetting started\u201d experience smooth: new users can experiment with Pepr and create resources dynamically without needing to pre-configure RBAC. This vulnerability is fixed in 1.0.5."}], "source": {"advisory": "GHSA-w54x-r83c-x79q", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-16T21:38:48.365212Z", "id": "CVE-2026-23634", "options": [{"Exploitation": "poc"}, {"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": "2026-01-16T21:38:59.905Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Pepr is a type safe K8s middleware. Prior to 1.0.5 , Pepr defaults to a cluster-admin RBAC configuration and does not explicitly force or enforce least-privilege guidance for module authors. The default behavior exists to make the \u201cgetting started\u201d experience smooth: new users can experiment with Pepr and create resources dynamically without needing to pre-configure RBAC. This vulnerability is fixed in 1.0.5."}], "id": "CVE-2026-23634", "lastModified": "2026-01-16T20:15:49.733", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 0.0, "baseSeverity": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 0.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-01-16T20:15:49.733", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/defenseunicorns/pepr/releases/tag/v1.0.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/defenseunicorns/pepr/security/advisories/GHSA-w54x-r83c-x79q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-272"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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