CVE-2026-57826CWE-295

CVE-2026-57826

Medium · published August 19, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
17.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00268 · 17.9th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2026-08-19T00:17Z
References (6)
https://gitcode.com/openHiTLS/openhitls/pull/1399 · [email protected]https://gitcode.com/openHiTLS/openhitls/pull/1657 · [email protected]https://github.com/openHiTLS/openHiTLS/commit/2d3b221d113b452bc197012b185978b8314ee8a4 · [email protected]https://github.com/openHiTLS/openHiTLS/commit/4355cdf5b043d5b9ef698f8f57860f77f8e92561 · [email protected]https://github.com/openHiTLS/openHiTLS/compare/openhitls-0.3.2...openhitls-0.3.3 · [email protected]https://www.openhitls.net/zh/support/HTLS-2026-001.html · [email protected]
EPSS history
Timeline
  • 18 AUG 00:00Z
    An issue was discovered in openHiTLS 0.2.0 through 0.3.2
    cvelistv5