CVE-2026-74881 openssl_encrypt before 1.4.0 CORS Misconfiguration via Wildcard Origins

High 7.1 Published Updated

Attackers can exploit wildcard CORS settings to perform authenticated cross-origin requests, potentially stealing user data or taking over accounts.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-74881?

CVE-2026-74881 is a high-severity vulnerability in Jahlives Openssl Encrypt, published on 17 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

openssl_encrypt versions before 1.4.0 configure CORS with allow_origins set to wildcard and allow_credentials enabled to true. Attackers can create malicious websites that make authenticated cross-origin requests to the API on behalf of any user who visits them.

Weakness: CWE-942

Which versions are affected by CVE-2026-74881?

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

PackageAffectedFixed in
openssl-encrypt PyPIAll versions1.4.0
openssl-encrypt PyPIAll versions1.4.0
openssl-encrypt PyPIAll versions1.4.0

Products include Jahlives Openssl Encrypt.

How do I fix CVE-2026-74881?

Upgrade openssl-encrypt to 1.4.0 or later.

Is CVE-2026-74881 being exploited?

There is no known exploitation of CVE-2026-74881 in the wild and no public exploit code.

All Jahlives Openssl Encrypt vulnerabilities

Sources

Also known as GHSA-243r-jm6r-f6pp, GHSA-c65f-x25w-62jv, PYSEC-2026-3977.

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