jahlives openssl_encrypt up to 1.4.7 HSM Diagnostic crypt_cli.py handle_hsm_command information disclosure

Summaryinfo

A vulnerability was found in jahlives openssl_encrypt up to 1.4.7. It has been classified as problematic. This impacts the function handle_hsm_command of the file crypt_cli.py of the component HSM Diagnostic. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-2026-74870. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in jahlives openssl_encrypt up to 1.4.7 and classified as problematic. This issue affects the function handle_hsm_command of the file crypt_cli.py of the component HSM Diagnostic. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

openssl_encrypt (pip) versions <= 1.4.7 contain an information exposure vulnerability where the 'hsm fido2-test' and 'hsm onlykey-test' diagnostic commands unconditionally print the full derived hardware pepper as hex to stdout/stderr (crypt_cli.py, handle_hsm_command). The printed value can persist in terminal scrollback, session recordings, or CI logs. Impact is limited because the pepper is derived from a random per-invocation test salt and is salt-bound, so the leaked value cannot be used to decrypt real files. A related plugin issue logged raw prf_data outside the secret-redaction path. Fixed in 1.4.8 (and 1.5.0) by removing the hex dumps and routing plugin debug output through the redaction layer.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-74870 since 08/17/2026. The exploitation is known to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 1.4.8 eliminates this vulnerability.

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Productinfo

Type

• Network Encryption Software

Vendor

• jahlives

Name

• openssl_encrypt

Version

• 1.4.0
• 1.4.1
• 1.4.2
• 1.4.3
• 1.4.4
• 1.4.5
• 1.4.6
• 1.4.7

Website

• Product: https://github.com/jahlives/openssl_encrypt/

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CPE 2.2info

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