High severity · published Oct 14, 2026
CVE-2026-102012
Junos OS Evolved: An attacker causes na-grpcd to crash when gRPC telemetry is enabled
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
A Reachable Assertion vulnerability in the na-grpcd process of Juniper Networks Junos OS Evolved allows a remote unauthenticated attacker to cause a denial of service via a gRPC telemetry subscription request.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Junos OS Evolved · Juniper Networks
before 23.2R2-S7.7-EVO; 23.4 before 23.4R2-S8.11-EVO; 24.2 before 24.2R2-S5.6-EVO; 24.4 before 24.4R2-S5-EVO; 25.2 before 25.2R2-S2-EVO; 25.4 before 25.4R1-S3-EVO; +4 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-102012
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-102012
vendor-advisory
https://supportportal.juniper.net/JSA112250
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