What is CVE-2023-5839?

CVE-2023-5839 is a high-severity vulnerability in Hestiacp Control Panel, classified under Privilege Chaining. CVSS score: 7.8/10. Published 2023-10-29.

How severe is CVE-2023-5839?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Hestiacp Control Panel

CVE-2023-5839

Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.

Published 2023-10-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.7th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Hestiacp Control Panel
Hestiacp Hestiacp/hestiacp — versions unspecified

Weakness classification (CWE)

CWE-268 — Privilege Chaining

References

huntr.com/bounties/21125f12-64a0-42a3-b218-26b9945a5bc0 (Exploit, Patch, Third Party Advisory)
github.com/hestiacp/hestiacp/commit/acb766e1db53de70534524b3fbc2270689112630 (Patch)

Frequently asked questions

What is CVE-2023-5839?: CVE-2023-5839 is a high-severity vulnerability in Hestiacp Control Panel, classified under Privilege Chaining. CVSS score: 7.8/10. Published 2023-10-29.
How severe is CVE-2023-5839?: High severity. CVSS v3 base score is 7.8 out of 10.