What is CVE-2026-102068?

CVE-2026-102068 is a high-severity vulnerability in Juniper Networks Junos OS Evolved, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-10-14.

How severe is CVE-2026-102068?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Juniper Networks Junos OS Evolved

CVE-2026-102068

A Stack-based Buffer Overflow vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated remote attacker to trigger a kernel panic via a crafted TCP packet when key-chain authentication is used for BGP or LDP.

Vulnerability class: Buffer Overflow

Published 2026-10-14 · last modified 2026-10-14.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Juniper Networks Junos OS Evolved — versions 23.4X100

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

supportportal.juniper.net/JSA112250 (vendor-advisory)

Frequently asked questions

What is CVE-2026-102068?: CVE-2026-102068 is a high-severity vulnerability in Juniper Networks Junos OS Evolved, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-10-14.
How severe is CVE-2026-102068?: High severity. CVSS v3 base score is 7.5 out of 10.