Vulnerability DatabaseCVE-2026-74878
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CVE-2026-74878
Published:August 17, 2026
Updated:September 01, 2026
openssl_encrypt versions before 1.4.0 use an in-memory rate limiter for TOTP brute-force protection that is not shared across workers and is lost on server restart. Attackers can distribute authentication attempts across multiple server instances or retry immediately after a restart to bypass rate limiting protections.
Affected Packages
openssl-encrypt (PYTHON):
Affected version(s) >=0.2.2 <1.4.0
Fix Suggestion:
Update to version 1.4.0
Related Resources (6)
https://nvd.nist.gov/vuln/detail/CVE-2026-74878
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74878.json
https://www.vulncheck.com/advisories/openssl-encrypt-before-totp-rate-limiter-bypass
https://github.com/jahlives/openssl_encrypt
https://github.com/jahlives/openssl_encrypt/commit/2749bc0949b34a5921a35fb4a3f1856fc51916de
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-h45m-mgcp-q388
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
CWE-770
EPSS
Base Score:
0.37