Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2019-16278

CVE-2019-16278CRITICAL

n/a n/a — Nostromo nhttpd

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .9903   99.9   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Sep 13  Reserved by mitre
  Oct 14  Published (CNA: mitre)
  Nov 7   Added to CISA KEV, remediation due 2024-11-28

CWE-22 · CNA: mitre · CVSS v3.1 · 6 references · KEV due November 28, 2024

Description

Directory Traversal in the function http_verify in nostromo nhttpd through 1.9.6 allows an attacker to achieve remote code execution via a crafted HTTP request.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 13, 2019	Reserved	Reserved by mitre
October 14, 2019	Published	Published (CNA: mitre)
November 7, 2024	KEV ADDED	Added to CISA KEV, remediation due 2024-11-28

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-22

References (6)

http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html [x_refsource_MISC]
http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html [x_refsource_MISC]
http://www.nazgul.ch/dev/nostromo_cl.txt [x_refsource_MISC]
https://git.sp0re.sh/sp0re/Nhttpd-exploits [x_refsource_MISC]
https://sp0re.sh [x_refsource_MISC]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16278 [government-resource]

Authoritative record: CVE-2019-16278 at cve.org

Weaknesses: CWE-22

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-16278 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.