---
id: CVE-2026-102072
title: >-
  An Improper Handling of Highly Compressed Data vulnerability in the gRPC
  library used by na-grpcd of Juniper Networks Junos OS allows an authenticated
  network-based attacker to cause a denial of service via a compressed gRPC
  request.
summary: >-
  An Improper Handling of Highly Compressed Data vulnerability in the gRPC
  library used by na-grpcd of Juniper Networks Junos OS allows an authenticated
  network-based attacker to cause a denial of service via a compressed gRPC
  request.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-409
vendor: Juniper Networks
product: Junos OS
affected:
  - junos_os < 23.2R2-S7.7
  - junos_os >= 23.4 < 23.4R2-S8.13
  - junos_os >= 24.2 < 24.2R2-S5.5
  - junos_os >= 24.4 < 24.4R2-S5
  - junos_os >= 25.2 < 25.2R2-S2
  - junos_os >= 25.4 < 25.4R1-S3
  - junos_os >= 26.2 < 26.2R1-S2
published: '2026-10-14'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T16:24:19.073'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102072'
references:
  - url: 'https://supportportal.juniper.net/JSA112188'
    label: sirt@juniper.net
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-14T20:16:31.549725Z'
ingestedAt: '2026-10-14T17:44:53.664Z'
epss: 0.00411
epssPercentile: 0.35208
---

## Overview

An Improper Handling of Highly Compressed Data vulnerability in the gRPC library used by na-grpcd of Juniper Networks Junos OS allows an authenticated network-based attacker to cause a denial of service via a compressed gRPC request.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.