CVE-2026-23634 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

No data.

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References

Link	Providers
https://github.com/defenseunicorns/pepr/releases/tag/v1.0.5
https://github.com/defenseunicorns/pepr/security/advisories/GHSA-w54x-r83c-x79q

History

Fri, 16 Jan 2026 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 16 Jan 2026 19:30:00 +0000

Type	Values Removed	Values Added
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.
Title		Pepr Overly Permissive RBAC ClusterRole in Admin Mode
Weaknesses		CWE-272
References		https://github.com/defenseunicorns/pepr/releases/tag/v1.0.5 https://github.com/defenseunicorns/pepr/security/advisories/GHSA-w54x-r83c-x79q
Metrics		cvssV3_1 `{'score': 0, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-01-16T19:14:46.483Z

Updated: 2026-01-16T21:38:59.905Z

Reserved: 2026-01-14T16:08:37.483Z

Link: CVE-2026-23634

Vulnrichment

Updated: 2026-01-16T21:38:55.935Z

NVD

Status : Received

Published: 2026-01-16T20:15:49.733

Modified: 2026-01-16T20:15:49.733

Link: CVE-2026-23634

Redhat

No data.

OpenCVE Enrichment

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