CRITICAL9.3

PYSEC-2026-3977

Quick fix

PYSEC-2026-3977 — openssl-encrypt: upgrade to the fixed version with the command below.

pip install --upgrade 'openssl-encrypt>=1.4.0'

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/openssl-encrypt

Introduced in: 0Fixed in: 1.4.0

Fixpip install --upgrade 'openssl-encrypt>=1.4.0'

References

https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-c65f-x25w-62jv[ADVISORY]
https://www.vulncheck.com/advisories/openssl-encrypt-before-cors-misconfiguration-via-wildcard-origins[ADVISORY]