CVE-2026-90651 Socket Firewall - Man-in-the-Middle

Socket Firewall before 2.0.0 contains a man-in-the-middle vulnerability caused by disabled TLS certificate verification in default configuration, letting attackers intercept and modify traffic between the firewall and upstream services, exploit requires attacker to intercept network traffic.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.21% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Man-in-the-Middle
Impact
Man In The Middle, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
Published
13 September 2026
Updated
15 October 2026
Weakness
CWE-295

Vendor fix

Update to version 2.0.0 or later where TLS verification defaults to enabled.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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