CVE-2025-30007

HestiaCP < 1.9.5 Authenticated OS Command Injection via DNS Record Management

HIGH
8.8
CVSS Score
Published: July 10, 2026 at 05:50 PM UTC
Updated: September 29, 2026 at 07:10 PM UTC
2 products affected across 1 vendorControl PanelHestiacp

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Severity
HIGH8.8
Exploit prediction
EPSS 3%
SSVC
No known exploit

Description

HestiaCP before 1.9.5 contains an authenticated OS command injection vulnerability that allows low-privilege authenticated users to execute arbitrary commands as root by injecting a single-quote character into unvalidated DNS record types. Attackers can exploit insufficient input validation in is_dns_record_format_valid() combined with unsafe eval-based parsing in update_domain_zone() to prematurely close a variable assignment string and achieve full root code execution on the underlying host in a single DNS record creation step.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.9.5
Affected range stops below 1.9.5, so it looks safe — our inference, not a vendor statement
v < 1.9.5
Affected range stops below 1.9.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-78

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