CVE-2026-23634

{"id": "CVE-2026-23634", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-23634", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-16T21:38:48.365212Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 0.0, "attackVector": "NETWORK", "baseSeverity": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 0.0, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "defenseunicorns", "product": "pepr", "versions": [{"status": "affected", "version": "< 1.0.5"}]}]}], "published": "2026-01-16T20:15:49.733", "references": [{"url": "https://github.com/defenseunicorns/pepr/releases/tag/v1.0.5", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/defenseunicorns/pepr/security/advisories/GHSA-w54x-r83c-x79q", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-272"}]}], "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."}, {"lang": "es", "value": "Pepr es un middleware de K8s con seguridad de tipos. Antes de la versi\u00f3n 1.0.5, Pepr se configura por defecto con una configuraci\u00f3n RBAC de cluster-admin y no fuerza ni impone expl\u00edcitamente directrices de m\u00ednimo privilegio para los autores de m\u00f3dulos. Este comportamiento predeterminado existe para que la experiencia de 'primeros pasos' sea fluida: los nuevos usuarios pueden experimentar con Pepr y crear recursos din\u00e1micamente sin necesidad de preconfigurar RBAC. Esta vulnerabilidad se corrige en la versi\u00f3n 1.0.5."}], "lastModified": "2026-06-17T10:21:52.413", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:defenseunicorns:pepr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DC7900DF-C37E-4D04-9745-4A3E414A3806", "versionEndExcluding": "1.0.5"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}