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CVE-2026-57826

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

openHiTLS是openHiTLS组织的一个提供安全通信协议功能的软件库。 openHiTLS 0.2.0版本至0.3.2版本存在安全漏洞，该漏洞源于X.509证书链验证过程中，中间CA的基本约束扩展和CA标志处理仅对v3证书进行验证，而忽略v1/v2证书，可能导致证书验证绕过。

AI Predicted 7.4 Difficulty: Moderate EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-57826

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
openHiTLS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openHiTLS是openHiTLS组织的一个提供安全通信协议功能的软件库。 openHiTLS 0.2.0版本至0.3.2版本存在安全漏洞，该漏洞源于X.509证书链验证过程中，中间CA的基本约束扩展和CA标志处理仅对v3证书进行验证，而忽略v1/v2证书，可能导致证书验证绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-57826

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III. Intelligence Information for CVE-2026-57826

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Patches & Fixes for CVE-2026-57826 (3)

Vendor Advisories for CVE-2026-57826 (1)

Same Patch Batch · n/a · 2026-08-18 · 19 CVEs total

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CVE-2021-43718 EPSON EH-TW5350 安全漏洞
CVE-2021-43716 EPSON EasyMP Network Updater 安全漏洞
CVE-2026-52606 Peter Deed Reportico 跨站脚本漏洞
CVE-2026-67921 Halo CMS 安全漏洞
CVE-2026-67846 BOOM: The Berkeley Out-of-Order RISC-V Processor The Berkeley Out-of-Order RISC-V Processo
CVE-2026-30250 Beta Systems ANOW! Automate 跨站脚本漏洞
CVE-2026-67920 Halo 安全漏洞
CVE-2026-52610 Peter Deed Reportico 安全漏洞
CVE-2026-52608 Peter Deed Reportico 安全漏洞
CVE-2026-52609 Peter Deed Reportico 跨站脚本漏洞
CVE-2026-52607 Peter Deed Reportico 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-57826

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