CVE-2023-5839: Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.

Q: How do I fix CVE-2023-5839?

control panel: upgrade to 1.8.9. Exact commands for each OS are on this page.

Q: Is CVE-2023-5839 being exploited?

CVE-2023-5839 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-5839 affect?

CVE-2023-5839 affects control panel. Severity is high (CVSS 7.8). Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.

Q: How urgent is CVE-2023-5839?

Priority 38/100. High severity; Public exploit reference

Routine

HIGH 7.8UPGRADE

CVE-2023-5839 is a high-severity flaw (CVSS 7.8) affecting control panel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-268
Published	2023-10-29
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: hestiacp

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-29 01:15 UTCPublished CVE record published
2026-06-17 06:49 UTCUpdated Record last modified

hestiacp control panel UPGRADE

Affected: < 1.8.9

Fixed in: 1.8.9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy control-panel || rpm -q control-panel || control-panel --version

2. UPGRADE to 1.8.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade control-panel

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade control-panel

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-5839?

control panel: upgrade to 1.8.9. Exact commands for each OS are on this page.

Is CVE-2023-5839 being exploited?

CVE-2023-5839 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-5839 affect?

CVE-2023-5839 affects control panel. Severity is high (CVSS 7.8). Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.

How urgent is CVE-2023-5839?

Priority 38/100. High severity; Public exploit reference

Software pages

GitHub vulnerabilities

Related CVEs

CVE-2025-30007 HIGH 8.8 UPGRADE HestiaCP before 1.9.5 contains an authenticated OS command injection vulnerability that allows low-privilege a
CVE-2025-30008 MEDIUM 4.6 UPGRADE HestiaCP before 1.9.5 contains a stored cross-site scripting vulnerability that allows authenticated low-privi
CVE-2022-3967 MEDIUM 5.3 UPGRADE A vulnerability, which was classified as critical, was found in Vesta Control Panel
CVE-2022-2636 HIGH 8.5 UPGRADE Improper Control of Generation of Code ('Code Injection') in GitHub repository hestiacp/hestiacp prior to 1.6.
CVE-2022-2626 HIGH 7.2 UPGRADE Incorrect Privilege Assignment in GitHub repository hestiacp/hestiacp prior to 1.6.6.

References

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