CVE-2025-27221

In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an inadvertent leakage of authentication credentials because userinfo is retained even after changing the host.

CVSS v3 3.2 LOW

3.2^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.4 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/uri/CVE-2025-27221.yml	Third Party Advisory
https://hackerone.com/reports/2957667	Permissions Required
https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00015.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ruby-lang:uri::::::ruby::*
	cpe:2.3:a:ruby-lang:uri::::::ruby::*
	cpe:2.3:a:ruby-lang:uri::::::ruby::*
	cpe:2.3:a:ruby-lang:uri::::::ruby::*

History

03 Nov 2025, 22:18

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html - () https://lists.debian.org/debian-lts-announce/2025/05/msg00015.html -

Information

Published : 2025-03-04 00:15

Updated : 2025-11-03 22:18

NVD link : CVE-2025-27221

Mitre link : CVE-2025-27221

CVE.ORG link : CVE-2025-27221

JSON object : View

Products Affected

ruby-lang

uri

CWE

CWE-212

Improper Removal of Sensitive Information Before Storage or Transfer

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