CVE-2026-57826
- State
- Published
- Severity
- 6.8 Medium
- Published
- Aug 18, 2026
- Updated
- Aug 31, 2026
- Reserved
- Jun 25, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N | CISA-ADP |
Weaknesses
- CWE-295 Improper Certificate Validation
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/openHiTLS/openHiTLS/compare/openhitls-0.3.2...openhitls-0.3.3
- https://www.openhitls.net/zh/support/HTLS-2026-001.html
- https://github.com/openHiTLS/openHiTLS/commit/4355cdf5b043d5b9ef698f8f57860f77f8e92561
- https://github.com/openHiTLS/openHiTLS/commit/2d3b221d113b452bc197012b185978b8314ee8a4
- https://gitcode.com/openHiTLS/openhitls/pull/1399
- https://gitcode.com/openHiTLS/openhitls/pull/1657
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