{"id":"CVE-2026-23634","state":"PUBLISHED","title":"Pepr Overly Permissive RBAC ClusterRole in Admin Mode","description":"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 “getting started” 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.","publishedAt":"2026-01-16T19:14:46.483Z","updatedAt":"2026-01-16T21:38:59.905Z","severity":{"score":0,"label":"None","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["defenseunicorns pepr"],"affected":[{"vendor":"defenseunicorns","product":"pepr","versions":[{"version":"< 1.0.5","status":"affected"}]}],"references":["https://github.com/defenseunicorns/pepr/security/advisories/GHSA-w54x-r83c-x79q","https://github.com/defenseunicorns/pepr/releases/tag/v1.0.5"],"weaknesses":["CWE-272"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23634.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23634","state":"PUBLISHED","datePublished":"2026-01-16T19:14:46.483Z","dateUpdated":"2026-01-16T21:38:59.905Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-01-14T16:08:37.483Z"},"containers":{"cna":{"title":"Pepr Overly Permissive RBAC ClusterRole in Admin Mode","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 “getting started” 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."}],"affected":[{"vendor":"defenseunicorns","product":"pepr","versions":[{"version":"< 1.0.5","status":"affected"}]}],"references":[{"url":"https://github.com/defenseunicorns/pepr/security/advisories/GHSA-w54x-r83c-x79q","name":"https://github.com/defenseunicorns/pepr/security/advisories/GHSA-w54x-r83c-x79q","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/defenseunicorns/pepr/releases/tag/v1.0.5","name":"https://github.com/defenseunicorns/pepr/releases/tag/v1.0.5","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-272","lang":"en","description":"CWE-272: Least Privilege Violation","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-01-16T19:14:46.483Z"},"source":{"advisory":"GHSA-w54x-r83c-x79q","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-16T21:38:59.905Z"}}]}}}