GHSA-j4pr-3wm6-xx2r (CVE-2025-61594)

Details

Impact

In affected URI version, a bypass exists for the fix to CVE-2025-27221 that can expose user credentials.

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.

The vulnerability affects the uri gem bundled with the following Ruby series:

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)

Patches

Upgrade to 0.12.5, 0.13.3 or 1.0.4

References

https://www.ruby-lang.org/en/news/2025/02/26/security-advisories/
https://hackerone.com/reports/2957667

Affected Packages

uri

RubyGems

Fixed in:

0.12.5

uri

RubyGems

Fixed in:

0.13.3

uri

RubyGems

Fixed in:

1.0.4

References

ADVISORY

https://github.com/advisories/GHSA-j4pr-3wm6-xx2r

PACKAGE

https://github.com/ruby/uri

WEB

https://github.com/ruby/uri/commit/20157e3e29b125ff41f1d9662e2e3b1d066f5902

WEB

https://github.com/ruby/uri/commit/7e521b2da0833d964aab43019e735aea674e1c2c

WEB

https://github.com/ruby/uri/commit/d3116ca66a3b1c97dc7577f9d2d6e353f391cd6a

WEB

https://github.com/rubysec/ruby-advisory-db/blob/master/gems/uri/CVE-2025-61594.yml

WEB

https://www.ruby-lang.org/en/news/2025/10/07/uri-cve-2025-61594