CVE-2026-74885 openssl_encrypt before 1.4.0 Logging Bug and Race Condition

Critical 9.3 Published 17 Aug 2026 Updated 1 Oct 2026

A race condition allows bypassing module restrictions, while a logging bug corrupts audit trails in the openssl_encrypt library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2026-74885?

CVE-2026-74885 is a critical vulnerability in Jahlives Openssl Encrypt, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

openssl_encrypt versions before 1.4.0 contain a logging bug in restore_hidden_modules() that logs module counts after clearing, always showing zero restored modules and corrupting audit trails. Additionally, a race condition exists between module hiding and import hook installation where another thread could re-import blocked modules in multi-threaded environments.

Weakness: CWE-117

Which versions are affected by CVE-2026-74885?

1 open source package ship an affected version, including openssl-encrypt. It affects 1 product.

Package	Affected	Fixed in
`openssl-encrypt` PyPI	All versions	`1.4.0`

Products include Jahlives Openssl Encrypt.

How do I fix CVE-2026-74885?

Upgrade openssl-encrypt to 1.4.0 or later.

Is CVE-2026-74885 being exploited?

There is no known exploitation of CVE-2026-74885 in the wild and no public exploit code.

All Jahlives Openssl Encrypt vulnerabilities

Sources

Also known as GHSA-43r4-3hf9-m84q, GHSA-9j5f-pjwj-62r3, PYSEC-2026-3762.