n8n Webhooks Abused Since October 2025 to Deliver Malware via Phishing Emails
2026-04-15T19:24:12Z•ff5bd44479fca10cb4a94b714a2f9c3df1b374eeb87edae49943f3e1b88f2716
RATactive-exploitationad-fraudbrowser-extensionscisacomposercpuid-breachcritical-vulnerabilitiesglasswormgpt-5.4-cybermalwaremiraxn8nnginx-uiopenaipatch-tuesdayphishingsapshowdocsupply-chain
What happened
The collection details widespread active exploitation and high-impact disclosures across April 2026: threat actors have been abusing n8n webhooks since Oct 2025 to automate phishing and malware delivery; a critical nginx-ui auth-bypass (CVE-2026-33032, CVSS 9.8) is being actively exploited to seize Nginx servers; April Patch Tuesday includes multiple critical fixes (notably an SAP SQLi CVE-2026-27681, CVSS 9.9) and a Microsoft SharePoint zero-day among 169 patched flaws. Other notable items include Composer command-injection flaws (CVE-2026-40176), ShowDoc RCE (CVE-2025-0520) under active use,
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- the_hacker_news
- Record identifier
- ff5bd44479fca10cb4a94b714a2f9c3df1b374eeb87edae49943f3e1b88f2716
- Enrichment time
- 2026-04-15T19:24:12Z
- AI-assisted enrichment
- Yes
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