CVE-2026-101987

DiscoveredOct 14, 2026UpdatedOct 29, 2026

An Improper Validation of Specified Quantity in Input vulnerability in the routing daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent attacker to cause a denial of service by sending a specific IS-IS SRv6 packet when SRv6 and Flexible Algorithm are enabled.

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CVSS v3.1

6.5 MEDIUM

EPSS

0.27%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

CVSS v3.1 Detail

Attack VectorADJACENT

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

ScopeUNCHANGED

ConfidentialityNONE

IntegrityNONE

AvailabilityHIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Connections

1 relationships

CWE-1284

source

Timeline

disclosure → media coverage

Oct 14, 2026

Disclosure — published as a CVE record. · last revised by NVD Oct 29, 2026