CVE-2025-61594

Description

URI is a module providing classes to handle Uniform Resource Identifiers. In versions 0.12.4 and earlier (bundled in Ruby 3.2 series) 0.13.2 and earlier (bundled in Ruby 3.3 series), 1.0.3 and earlier (bundled in Ruby 3.4 series), when using the + operator to combine URIs, sensitive information like passwords from the original URI can be leaked, violating RFC3986 and making applications vulnerable to credential exposure. This is a a bypass for the fix to CVE-2025-27221 that can expose user credentials. This issue has been fixed in versions 0.12.5, 0.13.3 and 1.0.4.

How to fix CVE-2025-61594

To remediate CVE-2025-61594, upgrade the affected package to a fixed version below.

• —upgrade to 3.3.10-r0 or later
• —no fix listed
• —no fix listed
• —no fix listed
• —no fix listed
• —upgrade to 0.12.5 or later

Is CVE-2025-61594 being exploited?

Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.

Affected packages (6)

• from 0, < 3.3.10-r0
• from 0
• from 0
• from 0
• from 0
• from 0, < 0.12.5

CVSS scores

References (13)

• ADVISORYgithub.com/advisories/GHSA-22h5-pq3x-2gf2
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2025-61594
• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2025-61594
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2025-61594
• PATCH