High [CVE-2026-103402] Insufficient Verification of Data Authenticity vulnerability in PCLI in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker with write access to the model cache directory to execute arbitrary code and escalate privileges via the processing of unverified cache files
This high-severity Juniper Networks advisory covers CVE-2026-103402 affecting Session Smart Router, Session Smart Conductor.
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Summary
An Insufficient Verification of Data Authenticity vulnerability in PCLI in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker with write access to the model cache directory to execute arbitrary code and escalate privileges via the processing of unverified cache files.
- Session Smart Router before 7.0.5
- Session Smart Router 7.1.0 before 7.1.7
- Session Smart Router 7.2.0 before 7.2.3
- Session Smart Conductor before 7.0.5
- Session Smart Conductor 7.1.0 before 7.1.7
- Session Smart Conductor 7.2.0 before 7.2.3
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
- 7.0.5
- 7.1.7
- 7.2.3
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
Mitigation
Upgrade to a fixed release: 7.0.5, 7.1.7, 7.2.3. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
More Juniper Networks advisories
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- CVE-2026-103405Oct 28, 2026Improper Neutralization of Special Elements in Output Used by a Downstream Component
- CVE-2026-103403Oct 28, 2026Session Smart Router command injection
- CVE-2026-103401Oct 28, 2026Improper Link Resolution Before File Access ('Link Following') vulnerability
- CVE-2026-103400Oct 28, 2026Session Smart Router denial of service
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