What is CVE-2026-101974?

CVE-2026-101974 is a medium-severity vulnerability in Juniper Networks Junos OS. CVSS score: 6.5/10. Published 2026-10-14.

How severe is CVE-2026-101974?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Juniper Networks Junos OS

CVE-2026-101974

An Improper Validation of Specified Quantity in Input vulnerability in rpd of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent OSPF peer to disclose rpd memory or cause a rpd crash via a malformed OSPF packets.

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/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
Juniper Networks Junos OS Evolved — versions 23.4X100

References

supportportal.juniper.net/JSA112187 (vendor-advisory)

Frequently asked questions

What is CVE-2026-101974?: CVE-2026-101974 is a medium-severity vulnerability in Juniper Networks Junos OS. CVSS score: 6.5/10. Published 2026-10-14.
How severe is CVE-2026-101974?: Medium severity. CVSS v3 base score is 6.5 out of 10.