CVE-2026-42036 — Axios is a promise based HTTP client for the browser and

CVE-2026-42036 — Axios is a promise based HTTP client for the browser and

CVE-2026-42036 — Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, when responseType: 'stream' is used, Axios returns the response stream without enforcing maxContentLength. This bypasses configured response-size limits and allows unbounded downstream cons

What This Means For You

  • If your environment is affected by CWE-770, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-42036 updates and patches.
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Related ATT&CK Techniques

🛡️ Detection Rules

6 rules · 6 SIEM formats

6 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

high T1190 Initial Access

Web Application Exploitation Attempt — CVE-2026-42036

Sigma YAML — free preview
title: Web Application Exploitation Attempt — CVE-2026-42036
id: scw-2026-04-24-1
status: experimental
level: high
description: |
  Detects common exploitation patterns targeting web applications. Review CVE-2026-42036 advisories for specific indicators.
author: SCW Feed Engine (auto-generated)
date: 2026-04-24
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-42036/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri-query|contains:
        - '..'
        - 'SELECT'
        - 'UNION'
        - '<script'
        - 'cmd='
        - '/etc/passwd'
      condition: selection
falsepositives:
  - Legitimate activity from CVE-2026-42036

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-42036 vulnerability CVE-2026-42036
CWE-770 weakness CWE-770
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 24, 2026 at 21:16 UTC

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