Vulnerability DatabaseCVE-2026-57826
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CVE-2026-57826
Published:August 18, 2026
Updated:September 01, 2026
An issue was discovered in openHiTLS 0.2.0 through 0.3.2. In the X.509 certificate chain verification, the basic constraints extension and CA flag processing of intermediate CAs are only verified for v3 certificates, and v1/v2 certificates are ignored.
Affected Packages
https://github.com/openHiTLS/openHiTLS.git (GITHUB):
Affected version(s) >=openhitls-0.2.0 <openhitls-0.3.3
Fix Suggestion:
Update to version openhitls-0.3.3
Related Resources (8)
https://github.com/openHiTLS/openHiTLS/commit/4355cdf5b043d5b9ef698f8f57860f77f8e92561
https://nvd.nist.gov/vuln/detail/CVE-2026-57826
https://github.com/openHiTLS/openHiTLS/compare/openhitls-0.3.2...openhitls-0.3.3
https://github.com/openHiTLS/openHiTLS/commit/2d3b221d113b452bc197012b185978b8314ee8a4
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57826.json
https://www.openhitls.net/zh/support/HTLS-2026-001.html
https://gitcode.com/openHiTLS/openhitls/pull/1399
https://gitcode.com/openHiTLS/openhitls/pull/1657
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CVSS v4
Base Score:
7.6
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Certificate Validation
CWE-295
EPSS
Base Score:
0.21