Critical 9.8Published Aug 17, 2026

CVE-2026-74876openssl_encrypt before 1.4.0 Unverified Key Bundle Encryption

Updated under an hour ago (2026-10-19 10:30 UTC)

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It affects jahlives openssl_encrypt. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for jahlives openssl_encrypt

Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-347
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Oct 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

jahlives openssl_encrypt jahlives:openssl_encrypt (from the name)	before 1.4.0; 1.4.0 not affected	CNA record
jahlives openssl_encrypt jahlives:openssl_encrypt	before 1.4.0	NVD

References

https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-8h88-gxp3-j7pgvendor-advisory
https://www.vulncheck.com/advisories/openssl-encrypt-before-unverified-key-bundle-encryptionthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.