npm compression vulnerabilities

Latest npm compression CVEs

Newest publication first

1. CVE-2026-87776 compression vulnerable to Denial of Service via memory leak on premature response close

   Published 2026-09-11

   High·CVSS 7.5 EPSS 0.48%

   compression is a Node.js and Express compression middleware. In versions before 1.8.2, when a client aborts the connection while a compressed response is still being sent, the zlib stream created to compress that response is never destroyed, so each aborted compressed response le...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.