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CVE-2026-36499

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.

Open vSwitch是Collaborative Project开源的一个虚拟交换机。 Open vSwitch v3.6.90版本存在安全漏洞，该漏洞源于udpif_set_threads函数缺少上限检查，可能导致具有OVSDB写入权限的攻击者请求过多线程造成资源耗尽。

AI Predicted 7.5 Difficulty: Trivial EPSS 0.41% · P33

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-36499

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A missing upper-bound check in the udpif_set_threads() function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service (DoS) via resource exhaustion.
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
Open vSwitch 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open vSwitch是Collaborative Project开源的一个虚拟交换机。 Open vSwitch v3.6.90版本存在安全漏洞，该漏洞源于udpif_set_threads函数缺少上限检查，可能导致具有OVSDB写入权限的攻击者请求过多线程造成资源耗尽。
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-2026-36499

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III. Intelligence Information for CVE-2026-36499

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Proof of Concept for CVE-2026-36499 (1)

Same Patch Batch · n/a · 2026-06-04 · 20 CVEs total

CVE-2025-67446 9.8 CRITICAL Neterbit NW-431F Router 安全漏洞
CVE-2025-67447 9.8 CRITICAL Neterbit NW-431F Router 安全漏洞
CVE-2025-69755 8.2 HIGH Neterbit NW-431F Router 安全漏洞
CVE-2025-67448 7.1 HIGH Neterbit NW-431F Router 安全漏洞
CVE-2026-10804 3.6 LOW Streamlit Palette hashing.py weak hash
CVE-2026-10803 3.6 LOW MLflow Dataset Digest Computation digest_utils.py mlflow.data.digest_utils weak hash
CVE-2026-10813 3.6 LOW LMCache KV Cache utils.py hex_hash_to_int16 weak hash
CVE-2025-65640 Arket Globe Document Intelligence 安全漏洞
CVE-2026-44393 OpenStack oslo.messaging 安全漏洞
CVE-2026-38570 BACnet Stack 安全漏洞
CVE-2026-35905 T3 Technology CPE models 安全漏洞
CVE-2026-35904 T3 Technology CPE models 安全漏洞
CVE-2026-35906 T3 Technology CPE models 安全漏洞
CVE-2026-36180 GNCC GP5 安全漏洞
CVE-2026-36176 GNCC GP5 安全漏洞
CVE-2026-36178 GNCC GP5 安全漏洞
CVE-2026-36175 GNCC GP5 安全漏洞
CVE-2026-36182 GNCC GP5 安全漏洞
CVE-2026-36174 GNCC GP5 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-36499

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