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CVE-2026-103401

CVE-2026-103401 · Session Smart Router and Session Smart Conductor: An attacker can overwrite arbitrary files as root

This page contains facts from public vulnerability sources. Check the original advisory before updating.

An Improper Link Resolution Before File Access ('Link Following') vulnerability in the unauthenticated web server handlers in Juniper Networks Session Smart Router and Session Smart Conductor allows a local unprivileged user to overwrite arbitrary files as root via unauthenticated API endpoints. This vulnerability can be exploited on Mist-managed routers and on unmanaged Routers that have not yet been onboarded to a Conductor. Routers already managed by Conductor are not affected.

CVSS 8.8 · High · EPSS 0.3% · Fix available

Published
Updated

Affected products and versions

  • session smart router

    Versions
    • ≥ 0, < 7.0.5: Affected (custom)
    • ≥ 7.1.0, < 7.1.7: Affected (custom)
    • ≥ 7.2.0, < 7.2.3: Affected (custom)

    Update to 7.0.5; Update to 7.1.7; Update to 7.2.3

  • session smart conductor

    Versions
    • ≥ 0, < 7.0.5: Affected (custom)
    • ≥ 7.1.0, < 7.1.7: Affected (custom)
    • ≥ 7.2.0, < 7.2.3: Affected (custom)

    Update to 7.0.5; Update to 7.1.7; Update to 7.2.3

Original sources

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