CVE-2026-41059

medium Red Hat
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.3%
Exploitation probability in 30 days
Top 46% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Published: April 21, 2026 (79 days ago)
Last Modified: April 21, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in OAuth2 Proxy. An unauthenticated attacker can exploit a configuration-dependent authentication bypass by sending a crafted request containing a number sign (#) in the path. This allows the OAuth2 Proxy to incorrectly match a public allowlist rule, leading to the exposure of protected resources from the backend application. This vulnerability can result in unauthorized access to sensitive information.

CWE

CWE-551

Affected Products

Red Hat Ceph Storage 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 github.com