Disclosure summary
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.
Source-reported weakness categories
CWE-212
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2025-Mar
Open original source · Updated Aug 12, 2026
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.
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 3.2
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 ruby 3.1.4-9 on CBL-Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 ruby 3.3.5-3 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 ruby 3.1.4-9 on CBL Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 3.1.4-9 · product IDs 19723-21692, 19723-17086
- Vendor guidance · product IDs 19723-21692, 19723-17086
- CBL-Mariner Releases · build 3.3.5-3 · product IDs 19393-17084
- Vendor guidance · product IDs 19393-17084
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2025-03-18T20:00:00-04:00
MODIFIED 2026-08-12T18:04:15-04:00
INGESTED 2026-10-08T12:50:09-04:00