CVE-2026-101936

MEDIUMCVSS 6.5/10EPSS 0.31%

Last modified

CVE-2026-101936 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A Reachable Assertion vulnerability in the srxpfe process of Juniper Networks Junos OS on SRX Series allows an adjacent network attacker to cause a denial of service of the data plane via malformed firewall-authentication synchronization traffic on chassis-cluster fabric interfaces.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

A Reachable Assertion vulnerability in the srxpfe process of Juniper Networks Junos OS on SRX Series allows an adjacent network attacker to cause a denial of service of the data plane via malformed firewall-authentication synchronization traffic on chassis-cluster fabric interfaces.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Juniper NetworksJunos OS< 23.2R2-S7.7; >= 23.4, < 23.4R2-S8.13; >= 24.2, < 24.2R2-S5.5; >= 24.4, < 24.4R2-S5; >= 25.2, < 25.2R2-S2; >= 25.4, < 25.4R1-S3; >= 26.2, < 26.2R1-S2

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-101936?
A Reachable Assertion vulnerability in the srxpfe process of Juniper Networks Junos OS on SRX Series allows an adjacent network attacker to cause a denial of service of the data plane via malformed firewall-authentication synchronization traffic on chassis-cluster fabric interfaces.
How severe is CVE-2026-101936?
CVE-2026-101936 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2026-101936?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST