Vulnary
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Critical· 9.3

CVE-2026-7849

An unauthenticated attacker can inject a command into a system configuration file that is then executed with root privileges. The flaw comes from improper handling of special characters, allowing arbitrary code execution. This could let a remote attacker take full control of the affected system.

publishedJul 30, 2026
last modifiedJul 30, 2026
sourcesNVD
severity · cvss
9.3
critical · how bad it is
exploitation · epss
n/a
chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 13, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

Any product that fails to properly neutralize special elements in configuration files could be vulnerable. The typical user is a system administrator managing such systems.

02

Real-world impact

The attacker can run any command as root, effectively taking over the entire system, installing malware, exfiltrating data, or disrupting services.

03

Why this severity

The CVSS score of 9.3 reflects that the vulnerability is easily exploitable from the network, requires no authentication, and gives the attacker full control (high confidentiality, integrity, availability impact).

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources

05

Timeline

06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Attack requirementsNone
Privileges requiredNone
User interactionNone needed
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →