# Critical Photon OS Security Update

## Summary
  
Advisory Id     : PHSA-2026-5.0-91-0841
  
Type            : Security
  
Severity        : ['Critical', 'Important']
  
Issue date      : 2026-05-05
  
Affected Release: 5.0-91

## Details
  
Updates of ['telegraf', 'grpc'] packages of Photon OS have been released.
## Affected Packages

### Critical
  
grpc - ['[CVE-2026-33186](https://nvd.nist.gov/vuln/detail/CVE-2026-33186)']

### Important
  
telegraf - ['[CVE-2026-27889](https://nvd.nist.gov/vuln/detail/CVE-2026-27889)', '[CVE-2026-33218](https://nvd.nist.gov/vuln/detail/CVE-2026-33218)', '[CVE-2026-33216](https://nvd.nist.gov/vuln/detail/CVE-2026-33216)', '[CVE-2026-29785](https://nvd.nist.gov/vuln/detail/CVE-2026-29785)']

## Solution
  
Update the affected packages (tdnf update package)

## Updated Packages Information
  
telegraf-1.36.4-2.3.ph5.x86_64.rpm | size : 59M , sha256 : bac28c1e42018d978725214bf7415128d40896d2e82c0729d12747a80926789b , build time : Tue, 05 May 2026 20:05:47 UTC
  
grpc-1.59.5-4.ph5.x86_64.rpm | size : 5.4M , sha256 : 40f8c608d4fbeb170777e1a2ffc7de57b6cb2824d56b3fd79cb7437d51f3453b , build time : Tue, 05 May 2026 20:05:33 UTC
  
grpc-devel-1.59.5-4.ph5.x86_64.rpm | size : 220K , sha256 : 1365253c89ffc73b50d036315798d67a92f65979816babb2e45b3eb47214fec4 , build time : Tue, 05 May 2026 20:05:33 UTC