CVE-2023-32198: Steve doesn’t verify a server’s certificate and is susceptible to man-in-the-middle (MitM) attacks

Severity: high (CVSS 8.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-15 · updated 2026-10-16
Weakness: CWE-295

Description

A vulnerability has been identified in Steve where by default it was using an insecure option that did not validate the certificate presented by the remote server while performing a TLS connection. This could allow the execution of a man-in-the-middle (MitM) attack against services using Steve.

Affected products

SUSE steve: from 0.2.0 before 0.2.1; from 0.3.0 before 0.3.3; from 0.4.0 before 0.4.4; from 0.5.0 before 0.5.13 — fixed in 0.2.1, 0.3.3, 0.4.4, 0.5.13

How to fix

Upgrade to a fixed version: SUSE steve 0.2.1, 0.3.3, 0.4.4, 0.5.13. Check the vendor advisory for mitigations.

References

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