CRITICAL

CVE-2026-101983

CVSS v3

9.8

CRITICAL

EPSS Score

0.5 %

exploit probability, as of 2026-10-16

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-101983 yet.

Full record on NVD

Description

A Stack-based Buffer Overflow vulnerability in the httpd process of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network attacker to cause remote code execution and denial of service via a J-Web virtual-domain configured.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-10-14
Last Modified: 2026-10-15

Frequently asked questions

What is CVE-2026-101983?

Is CVE-2026-101983 actively exploited?

Active exploitation of CVE-2026-101983 has not been confirmed. Its EPSS score was 0.5% on 2026-10-16, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-101983?

CVE-2026-101983 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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