CVE-2026-41418 — 4ga Boards is a boards system for realtime project

CVE-2026-41418 — 4ga Boards is a boards system for realtime project

CVE-2026-41418 — 4ga Boards is a boards system for realtime project management. Prior to 3.3.5, 4ga Boards is vulnerable to user enumeration via a timing side-channel in the login endpoint (POST /api/access-tokens). When an invalid username/email is provided, the server responds immediately (~17ms a

What This Means For You

  • If your environment is affected by CWE-208, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-41418 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 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 T1078.004 Initial Access

Credential Abuse from Breached Vendor — CVE-2026-41418

Sigma YAML — free preview
title: Credential Abuse from Breached Vendor — CVE-2026-41418
id: scw-2026-04-24-1
status: experimental
level: high
description: |
  Monitor for authentication attempts using credentials from target.local, potentially exposed in the CVE-2026-41418 breach.
author: SCW Feed Engine (auto-generated)
date: 2026-04-24
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-41418/
tags:
  - attack.initial_access
  - attack.t1078.004
logsource:
    category: authentication
detection:
  selection:
      User|endswith:
        - '@target.local'
      condition: selection
falsepositives:
  - Legitimate activity from CVE-2026-41418

Source: Shimi's Cyber World · License & reuse

✓ Sigma · Splunk SPL Sentinel KQL Elastic QRadar AQL Wazuh Get rules for your SIEM →

Indicators of Compromise

IDTypeIndicator
CVE-2026-41418 vulnerability CVE-2026-41418
CWE-208 weakness CWE-208
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 24, 2026 at 22:17 UTC

This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.

Believe this infringes your rights? Submit a takedown request.

Related coverage

Featured

Daily Security Digest — 2026-04-24

12 vulnerability disclosures (3 Critical, 9 High) and 3 curated intelligence stories from 2 sources.

daily-digestvulnerabilityCVEhigh-severitycwe-1321cwe-113cwe-183cwe-441cwe-918critical
/SCW Daily Digest /CRITICAL

Dgraph CVE-2026-41492: Unauthenticated Admin Token Exposure Via /debug/vars

CVE-2026-41492 — Dgraph is an open source distributed GraphQL database. Prior to 25.3.3, Dgraphl exposes the process command line through the unauthenticated /debug/vars endpoint on...

vulnerabilityCVEcriticalhigh-severitycwe-200
/SCW Vulnerability Desk /CRITICAL /9.8 /⚑ 3 IOCs /⚙ 3 Sigma

CVE-2026-41421: SiYuan Desktop RCE via HTML Notification Abuse

CVE-2026-41421 — SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, SiYuan desktop renders notification messages as raw HTML inside an Electron renderer....

vulnerabilityCVEhigh-severitycode-executioncwe-78cwe-79
/SCW Vulnerability Desk /HIGH /8.8 /⚑ 4 IOCs /⚙ 3 Sigma