NGINX CVE-2026-42945 Exploited in the Wild, Causing Worker Crashes and Possible RCE
2026-05-18T07:24:04Z•bf1c6d382ed85a196ebe5c70a0722a53672906fa0d593803240075cd5d632364
active-exploitationauthentication-bypasscisa-kevciscocredential-theftgrafanalinux-lpemicrosoft-exchangenginxnode-ipcnpm-malwarep2p-botnetpraisonairemote-code-executionruby-gems-abusesupply-chainvulnerability-disclosurewordpress-skimming
What happened
Multiple high‑risk vulnerabilities and active exploit campaigns were reported: a long‑lived heap buffer overflow in NGINX's ngx_http_rewrite_module (CVE-2026-42945, CVSS 9.2) is being exploited in the wild and can cause worker crashes or unauthenticated RCE; a maximum‑severity authentication bypass in Cisco Catalyst SD‑WAN Controller (CVE-2026-20182, CVSS 10.0) is actively exploited and added to CISA's KEV list; Microsoft Exchange on‑premises spoofing/XSS bug (CVE-2026-42897) is being used via crafted email. Other notable incidents include a Grafana GitHub token compromise leading to codebase
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- the_hacker_news
- Record identifier
- bf1c6d382ed85a196ebe5c70a0722a53672906fa0d593803240075cd5d632364
- Enrichment time
- 2026-05-18T07:24:04Z
- AI-assisted enrichment
- Yes
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