VULNERABILITY INTELLIGENCE
CVE-2026-74875
CVSS score9.8 CRITICAL
EPSS probability0.27%
CISA KEVNot currently listed
Published2026-08-17
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
openssl_encrypt versions before 1.4.0 silently skip JSON schema validation when the jsonschema library is not installed, allowing malformed metadata to be accepted. Attackers can remove the jsonschema package or supply unknown metadata format versions to bypass all schema checks and process malicious data.
Weakness classification
- disclosure@vulncheck.com: CWE-345
Primary references
- disclosure@vulncheck.com — Mitigation, Vendor Advisory
- disclosure@vulncheck.com — Third Party Advisory