SEPTEMBER 18, 2026
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Case File

CVE-2026-57826

MEDIUM · CVSS 6.8 EPSS 0.21% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-18 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

OpenHiTLS versions 0.2.0 to 0.3.2 are vulnerable due to improper verification of the basic constraints extension and CA flag processing for intermediate CAs, which only applies to v3 certificates, leaving v1 and v2 certificates unverified. This oversight could allow attackers to exploit the certificate chain, potentially leading to unauthorized access or man-in-the-middle attacks. Organizations using OpenHiTLS for secure communications should prioritize addressing this vulnerability to ensure the integrity of their certificate validation processes.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-57826
Severity
MEDIUM
CVSS
6.8
EPSS
0.21%

Original NVD 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.