CVE
CVE-2026-74876
openssl_encrypt before 1.4.0 Unverified Key Bundle Encryption
opensslencrypt versions before 1.4.0 contain a vulnerability in PublicKeyBundle.fromdict() that creates key bundles from untrusted data without verifying signatures. Attackers can call fromdict() followed by toidentity() without signature verification to encrypt data using attacker-controlled public keys, leaking secrets.
Package Versions Affected
Package Version
patch Availability
No items found.
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-
Related Resources
No items found.
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74876.json, https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-8h88-gxp3-j7pg, https://nvd.nist.gov/vuln/detail/CVE-2026-74876, https://www.vulncheck.com/advisories/openssl-encrypt-before-unverified-key-bundle-encryption