# Important Photon OS Security Update

## Summary

Advisory Id     : PHSA-2026-5.0-90-0726

Type            : Security

Severity        : ['Important']

Issue date      : 2026-01-05

Affected Release: 5.0-90

## Details

Updates of ['python3-urllib3'] packages of Photon OS have been released.
## Affected Packages

### Important

python3-urllib3 - ['[CVE-2025-66418](https://nvd.nist.gov/vuln/detail/CVE-2025-66418)']

## Solution

Update the affected packages (tdnf update package)

## Updated Packages Information

python3-urllib3-1.26.19-4.ph5.noarch.rpm | size : 264K , sha256 : 58da8b909639b0fd25012be81afd592ed4930ba6f0b8c525a1404993160d8d65 , build time : Mon, 05 Jan 2026 07:52:40 UTC