What is CVE-2026-101937?

CVE-2026-101937 is a medium-severity vulnerability in Juniper Networks Junos OS, classified under CWE-195. CVSS score: 6.5/10. Published 2026-10-14.

How severe is CVE-2026-101937?

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

Vulnerability in Juniper Networks Junos OS

CVE-2026-101937

A Signed to Unsigned Conversion Error vulnerability in the srxpfe of Juniper Networks Junos OS on the SRX Series allows an adjacent attacker to cause a denial of service of the data plane via chassis-cluster fabric traffic.

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

Weakness classification (CWE)

CWE-195

References

supportportal.juniper.net/JSA112186 (vendor-advisory)

Frequently asked questions

What is CVE-2026-101937?: CVE-2026-101937 is a medium-severity vulnerability in Juniper Networks Junos OS, classified under CWE-195. CVSS score: 6.5/10. Published 2026-10-14.
How severe is CVE-2026-101937?: Medium severity. CVSS v3 base score is 6.5 out of 10.