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CVE-2020-26289— Regular expression Denial of Service in date-and-time

Quick assessment

Affected
knowledgecode date-and-time
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Date And Time是Date And Time个人开发者的一个基于Javascript用于处理JS日期和时间的Npm代码库。 date-and-time 0.14.2之前版本存在安全漏洞，该漏洞源于涉及解析的正则表达式，它可以被用来导致拒绝服务。

CVSS 7.5 · High EPSS 2.15% · P81

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-26289

Vulnerability Information
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Vulnerability Title
Regular expression Denial of Service in date-and-time
Source: CVE Program / CVE List V5
Vulnerability Description
date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there a regular expression involved in parsing which can be exploited to to cause a denial of service. This is fixed in version 0.14.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Date And Time 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Date And Time是Date And Time个人开发者的一个基于Javascript用于处理JS日期和时间的Npm代码库。 date-and-time 0.14.2之前版本存在安全漏洞，该漏洞源于涉及解析的正则表达式，它可以被用来导致拒绝服务。
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
knowledgecode date-and-time < 0.14.2 -

II. Public POCs for CVE-2020-26289

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6682 chars
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III. Intelligence Information for CVE-2020-26289

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Patches & Fixes for CVE-2020-26289 (1)

Vendor Advisories for CVE-2020-26289 (1)

Other References for CVE-2020-26289 (1)

IV. Related Vulnerabilities

Same weakness: CWE-400

V. Comments for CVE-2020-26289

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