CVE-2026-74876 — CRITICAL (9.8)

Q: How severe is CVE-2026-74876?

CVE-2026-74876 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-74876?

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 a vulnerability in PublicKeyBundle.from_dict() that creates key bundles from untrusted data without verifying signatures. Attackers can call from_dict() followed by to_identity() without signature verification to encrypt data using attacker-controlled public keys, leaking secrets.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Jahlives	Openssl Encrypt	< 1.4.0

Related Weaknesses (CWE)

CWE-347

References

https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-8h88-gxp3-jMitigationVendor Advisory
https://www.vulncheck.com/advisories/openssl-encrypt-before-unverified-key-bundlThird Party Advisory

FAQ

What is CVE-2026-74876?

CVE-2026-74876 is a vulnerability with a CVSS score of 9.8 (CRITICAL). openssl_encrypt versions before 1.4.0 contain a vulnerability in PublicKeyBundle.from_dict() that creates key bundles from untrusted data without verifying signatures. Attackers can call from_dict() f...

How severe is CVE-2026-74876?

CVE-2026-74876 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-74876?

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