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CVE-2026-74876

Jahlives OpenSSL Encrypt vulnerability

9.8 CRITICALEPSS 0.35%
  1. Published17 Aug 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Jahlives OpenSSL Encrypt< 1.4.0

Remediation

Fixed in
Jahlives OpenSSL Encrypt≥ 1.4.0

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Frequently asked

Is CVE-2026-74876 being actively exploited?

CVE-2026-74876 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.35%.

How severe is CVE-2026-74876?

CVE-2026-74876 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.35% probability of exploitation.

Which products are affected by CVE-2026-74876?

Affected products include Jahlives OpenSSL Encrypt.

How do I fix CVE-2026-74876?

Upgrade affected software to a fixed version, for example Jahlives OpenSSL Encrypt 1.4.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-74876 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.