CVE-2026-74890 — MEDIUM (5.5)

Q: How severe is CVE-2026-74890?

CVE-2026-74890 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-74890?

Check the references section above for vendor advisories and patch information. Affected products include: Jahlives Openssl Encrypt.

Vulnerability Description

openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in CamelliaCipher that disables HMAC tag generation and verification when the PYTEST_CURRENT_TEST environment variable is set. Attackers with code execution can set this environment variable to produce unauthenticated ciphertext and bypass integrity protection on encrypted data.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Jahlives	Openssl Encrypt	< 1.4.0

Related Weaknesses (CWE)

CWE-345

References

https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-rvc2-5jxq-gMitigationVendor Advisory
https://www.vulncheck.com/advisories/openssl-encrypt-before-hmac-authentication-Third Party Advisory

FAQ

What is CVE-2026-74890?

CVE-2026-74890 is a vulnerability with a CVSS score of 5.5 (MEDIUM). openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in CamelliaCipher that disables HMAC tag generation and verification when the PYTEST_CURRENT_TEST environment varia...

How severe is CVE-2026-74890?

CVE-2026-74890 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-74890?

Check the references section above for vendor advisories and patch information. Affected products include: Jahlives Openssl Encrypt.