An Improper Limitation of a Pathname to a Restricted Directory vulnerability in ConfigDirector in Juniper Networks
Source GCVE Database
Not known to be exploited · CVSS 8.8 High · fixed in 7.2.3 : patch Session Smart Router soon.
Data as of 28 Oct 2026, 19:56 UTC
- Patch
- Available – fixed in 7.2.3, 7.1.7, 7.0.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Session Smart to 7.2.3, 7.1.7 or 7.0.5.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Juniper NetworksSession Smart Router | Affected
| Fixed in
|
| Juniper NetworksSession Smart Router | Affected
| Fixed in
|
| Juniper NetworksSession Smart Router | Affected
| Fixed in
|
| Juniper NetworksSession Smart Conductor | Affected
| Fixed in
|
| Juniper NetworksSession Smart Conductor | Affected
| Fixed in
|
| Juniper NetworksSession Smart Conductor | Affected
| Fixed in
|
AI-suggested
In the absence of an official fix, restrict REST API access to trusted users only and monitor for unusual activity related to certificate and key file management.
Description
CVE-2026-103407 is a high-severity vulnerability in Juniper Networks ConfigDirector for Session Smart Router and Session Smart Conductor. It allows an authenticated REST user to improperly access and manipulate certificate and key files on the host filesystem via the certificate and private-key REST API. This can lead to unauthorized reading, overwriting, or deletion of sensitive cryptographic material.