Vulnerability · CVE-2025-64726
Socket Firewall is an HTTP/HTTPS proxy server that intercepts package manager requests and enforces security policies by blocking dangerous packages.
Published Nov 13, 2025 · catalog updated Oct 18, 2026 · SocketDev
Last checked Oct 25, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-64726. EPSS is 0.16%. Act only if a listed version of SocketDev is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.16%
- Remediation
- Version ranges on file
- Affected products
- vendor SocketDev firewall-release < 0.15.5
Socket Firewall is an HTTP/HTTPS proxy server that intercepts package manager requests and enforces security policies by blocking dangerous packages. Socket Firewall binary versions (separate from installers) prior to 0.15.5 are vulnerable to arbitrary code execution when run in untrusted project directories. The vulnerability allows an attacker to execute arbitrary code by placing a malicious file in a project directory. When a developer runs Socket Firewall commands (e.g., ) in that directory, the tool loads the file and populates environment variables directly into the Node.js process. An attacker can exploit this by setting with a directive to execute malicious JavaScript code before Socket Firewall's security controls are initialized, effectively bypassing the tool's malicious package detection. The attack vector is indirect and requires a developer to install dependencies for an untrusted project and execute a command within the context of the untrusted project. The vulnerability has been patched in Socket Firewall version 0.15.5. Users should upgrade to version 0.15.5 or later. The fix isolates configuration file values from subprocess environments. Look at for version information. If users rely on the recommended installation mechanism (e.g. global installation via ) then no workaround is necessary. This wrapper package automatically ensures that users are running the latest version of Socket Firewall. Users who have manually installed the binary and cannot immediately upgrade should avoid running Socket Firewall in untrusted project directories. Before running Socket Firewall in any new project, inspect and files for suspicious or other environment variable definitions that reference local files.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor SocketDev firewall-release < 0.15.5< 0.15.5
How to fix CVE-2025-64726
Upgrade
CVE-2025-64726 lists a fix boundary at 0.15.5. Compare the installed build with that boundary before you change production.
Version check
Affected < 0.15.5
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-64726. EPSS is 0.16%. Act only if a listed version of SocketDev is installed.
Which versions are affected?
Compare what you have installed with SocketDev firewall-release < 0.15.5 < 0.15.5. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-15; CWE-427: Uncontrolled Search Path Element. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Nov 13, 2025 · NIST NVD
Detected
Socket Firewall is an HTTP/HTTPS proxy server that intercepts package manager requests and enforces security policies by blocking dangerous packages. Socket Firewall binary versions (separate from installers) prior to 0.15.5 are vulnerable to arbitrary code execution when run in untrusted project directories. The vulnerability allows an attacker to execute arbitrary code by placing a malicious fil
Oct 18, 2026 · NIST NVD
Updated
Socket Firewall is an HTTP/HTTPS proxy server that intercepts package manager requests and enforces security policies by blocking dangerous packages. Socket Firewall binary versions (separate from installers) prior to 0.15.5 are vulnerable to arbitrary code execution when run in untrusted project directories. The vulnerability allows an attacker to execute arbitrary code by placing a malicious fil
Sources
- CVE.orgVulnerability recordCVE-2025-64726
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-64726
30-day exploitation probability 0.16%
first.org - EUVDVulnerability recordEUVD-2025-175357
Socket Firewall is an HTTP/HTTPS proxy server that intercepts package manager requests and enforces security policies by blocking dangerous packages. Socket Firewall binary versions (separate from installers) prior to 0.15.5 are vulnerable to arbitrary code execution when run in
euvd.enisa.europa.eu - NIST NVDVulnerability recordCVE-2025-64726
Socket Firewall is an HTTP/HTTPS proxy server that intercepts package manager requests and enforces security policies by blocking dangerous packages. Socket Firewall binary versions (separate from installers) prior to 0.15.5 are vulnerable to arbitrary code execution when run in
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- EUVDOct 25, 2026
- FIRST EPSSOct 23, 2026
- CVE.orgOct 21, 2026
- NIST NVDOct 18, 2026