What is CVE-2023-26603?

CVE-2023-26603 is a medium-severity vulnerability in N/a, classified under Creation of Temporary File With Insecure Permissions. CVSS score: 5.9/10. Published 2024-04-26.

How severe is CVE-2023-26603?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in N/a

CVE-2023-26603

JumpCloud Agent before 1.178.0 Creates a Temporary File in a Directory with Insecure Permissions. This allows privilege escalation to SYSTEM via a repair action in the installer.

Published 2024-04-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (6.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Weakness classification (CWE)

CWE-378 — Creation of Temporary File With Insecure Permissions

References

Frequently asked questions

What is CVE-2023-26603?: CVE-2023-26603 is a medium-severity vulnerability in N/a, classified under Creation of Temporary File With Insecure Permissions. CVSS score: 5.9/10. Published 2024-04-26.
How severe is CVE-2023-26603?: Medium severity. CVSS v3 base score is 5.9 out of 10.