CVE-2025-27221LowMicrosoft CVSS 3.2CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

Microsoft security update for CVE-2025-27221

Published
July 11, 2026
Last Modified
—

🔗 CVE IDs covered (1)

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27221. This page also shows what EchelonGraph holds for CVE-2025-27221, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products3

  • azl3 ruby 3.3.5-3 on Azure Linux 3.0
  • cbl2 ruby 3.1.4-9 on CBL Mariner 2.0
  • cbl2 ruby 3.1.4-9 on CBL-Mariner 2.0

✅ Updates Microsoft lists: 2 updates

2 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
—Security Update3.1.4-9
—Security Update3.3.5-3

🧭 EchelonGraph on CVE-2025-27221

EchelonGraph score
3.2 LOW
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

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.

Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2025-27221, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (2)