CVE-2026-76524
Open Source Snort 3 Control Channel Socket Aribitrary Command Execution Vulnerability
Published Oct 21, 2026
CVSS 3.1 · 7.8 High
EPSS < 1%
KEV · Not listed
Description
A vulnerability in the control channel socket implementation of Open Source Snort 3 could allow an authenticated, local attacker with low privileges to execute arbitrary commands as the Snort 3 process user.
This vulnerability is due to a lack of authentication when a local user connects to the Snort control channel socket. An attacker could exploit this vulnerability by connecting to the Snort 3 control channel socket as a local user. A successful exploit could allow the attacker to execute arbitrary commands as well as read and write Snort 3 process memory.
This vulnerability is due to a lack of authentication when a local user connects to the Snort control channel socket. An attacker could exploit this vulnerability by connecting to the Snort 3 control channel socket as a local user. A successful exploit could allow the attacker to execute arbitrary commands as well as read and write Snort 3 process memory.
Affected Products
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CVE record
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NVD configurations
No data
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Red Hat packages
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OpenCVE enrichment
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Cisco | Cisco Open Source Snort3 | unknown |
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No data.
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| Cisco | Cisco Open Source Snort3 |
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Remediation
Tracking
Advisories
Metrics
No CVSS v4.0
Attack Vector Local
Attack Complexity Low
Privileges Required Low
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
User Interaction None
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.177% probability within 30 days)
Exploitation none
Automatable no
Technical Impact total
References
History
Oct 22, 2026 3:30 PM
First appearance in the feed. Affected vendors updated
View changes
| Type | Values Removed | Values Added |
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| First Time appeared |
Cisco
Cisco cisco Open Source Snort3 |
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| Vendors & Products |
Cisco
Cisco cisco Open Source Snort3 |
Oct 22, 2026 2:30 PM
Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Oct 21, 2026 5:15 PM
Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A vulnerability in the control channel socket implementation of Open Source Snort 3 could allow an authenticated, local attacker with low privileges to execute arbitrary commands as the Snort 3 process user. This vulnerability is due to a lack of authentication when a local user connects to the Snort control channel socket. An attacker could exploit this vulnerability by connecting to the Snort 3 control channel socket as a local user. A successful exploit could allow the attacker to execute arbitrary commands as well as read and write Snort 3 process memory. | |
| Title | Open Source Snort 3 Control Channel Socket Aribitrary Command Execution Vulnerability | |
| Weaknesses | CWE-306 | |
| References |
| |
| Metrics |
cvssV3_1
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Subscriptions
Weaknesses
