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CVE-2026-34872

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.

Mbed TLS是Mbed TLS开源的一个开源、可移植、易于使用、可读且灵活的 SSL 库。 Mbed TLS 3.5.x版本、3.6.5及之前版本和TF-PSA-Crypto 1.0版本存在安全漏洞，该漏洞源于有限域Diffie-Hellman中因输入验证不当导致缺乏贡献行为，可能使共享密钥被强制为少量值。

AI Predicted 5.9 Difficulty: Moderate EPSS 0.28% · P18

Possible ATT&CK Techniques 1 AI

T1462
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I. Basic Information for CVE-2026-34872

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Mbed TLS 3.5.x and 3.6.x through 3.6.5 and TF-PSA-Crypto 1.0. There is a lack of contributory behavior in FFDH due to improper input validation. Using finite-field Diffie-Hellman, the other party can force the shared secret into a small set of values (lack of contributory behavior). This is a problem for protocols that depend on contributory behavior (which is not the case for TLS). The attack can be carried by the peer, or depending on the protocol by an active network attacker (person in the middle).
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
Mbed TLS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mbed TLS是Mbed TLS开源的一个开源、可移植、易于使用、可读且灵活的 SSL 库。 Mbed TLS 3.5.x版本、3.6.5及之前版本和TF-PSA-Crypto 1.0版本存在安全漏洞，该漏洞源于有限域Diffie-Hellman中因输入验证不当导致缺乏贡献行为，可能使共享密钥被强制为少量值。
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-2026-34872

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III. Intelligence Information for CVE-2026-34872

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Vendor Advisories for CVE-2026-34872 (2)

Same Patch Batch · n/a · 2026-04-01 · 28 CVEs total

CVE-2026-5248 6.3 MEDIUM gougucms User Registration Login.php reg_submit dynamically-determined object attributes
CVE-2025-67805 5.9 MEDIUM Sage DPW 安全漏洞
CVE-2025-67806 3.7 LOW Sage DPW 安全漏洞
CVE-2026-5249 3.5 LOW gougucms Record Endpoint record.html cross site scripting
CVE-2025-67807 Sage DPW 安全漏洞
CVE-2025-66442 Mbed TLS 安全漏洞
CVE-2024-40489 JeecgBoot 安全漏洞
CVE-2024-43028 JeecgBoot 安全漏洞
CVE-2026-30573 SourceCodester Pharmacy Product Management System 安全漏洞
CVE-2026-30289 Tinybeans Private Family Album App 安全漏洞
CVE-2026-30643 DesDev DedeCMS 安全漏洞
CVE-2026-30287 Deep Thought Industries ACE Scanner PDF Scanner 安全漏洞
CVE-2026-30292 Docudepot PDF Reader 安全漏洞
CVE-2026-30526 SourceCodester Zoo Management System 安全漏洞
CVE-2026-30291 Ora Tools PDF Reader 安全漏洞
CVE-2026-30523 SourceCodester Loan Management System 安全漏洞
CVE-2026-30522 SourceCodester Loan Management System 安全漏洞
CVE-2026-30273 PandasAI 安全漏洞
CVE-2026-31027 TOTOLINK A3600R 安全漏洞
CVE-2026-34875 Mbed TLS 安全漏洞

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

V. Comments for CVE-2026-34872

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