CVE-2019-16278
Directory Traversal in the function http_verify in nostromo nhttpd through 1.9.6 allows an...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-16278- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List
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.
- Record
CVE-2019-16278- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2019-7077
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.
- Record
EUVD-2019-7077- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-495x-r3cr-6rgx
Directory Traversal in the function http_verify in nostromo nhttpd through 1.9.6 allows an...
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.
- Record
GHSA-495x-r3cr-6rgx- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
CISA KEV No score
Nostromo nhttpd Directory Traversal Vulnerability
Nostromo nhttpd contains a directory traversal vulnerability in the http_verify() function in a non-chrooted nhttpd server allowing for remote code execution.
- Record
CVE-2019-16278- Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | ianxtianxt/CVE-2019-16278 | 2019-10-15 |
| PoC in GitHub | imjdl/CVE-2019-16278-PoC | 2019-10-15 |
| PoC in GitHub | jas502n/CVE-2019-16278 | 2019-10-15 |
| Metasploit | Nostromo Directory Traversal Remote Command Execution | 2019-10-20 |
| PoC in GitHub | darkerego/Nostromo_Python3 | 2019-10-23 |
| Exploit-DB | Nostromo - Directory Traversal Remote Command Execution (Metasploit) | 2019-11-01 |
| PoC in GitHub | AnubisSec/CVE-2019-16278 | 2019-11-22 |
| PoC in GitHub | aN0mad/CVE-2019-16278-Nostromo_1.9.6-RCE | 2019-11-26 |
| PoC in GitHub | Kr0ff/cve-2019-16278 | 2019-12-31 |
| Exploit-DB | nostromo 1.9.6 - Remote Code Execution | 2020-01-01 |
Show 9 moreShow less
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | NHPT/CVE-2019-16278 | 2020-01-01 |
| PoC in GitHub | keshiba/cve-2019-16278 | 2020-03-30 |
| PoC in GitHub | h3x0v3rl0rd/CVE-2019-16278 | 2021-07-19 |
| PoC in GitHub | alexander-fernandes/CVE-2019-16278 | 2022-03-24 |
| PoC in GitHub | FredBrave/CVE-2019-16278-Nostromo-1.9.6-RCE | 2023-05-04 |
| PoC in GitHub | cancela24/CVE-2019-16278-Nostromo-1.9.6-RCE | 2024-11-12 |
| PoC in GitHub | CybermonkX/CVE-2019-16278_Nostromo-1.9.6---Remote-Code-Execution | 2025-02-12 |
| PoC in GitHub | andknownmaly/CVE-2019-16278 | 2025-11-26 |
| Nuclei | nostromo 1.9.6 - Remote Code Execution |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-16278 is a critical vulnerability (CVSS 9.8) in Nazgul Nostromo Nhttpd, published October 14, 2019. CISA lists it as known to be exploited, since November 7, 2024. EUVD reports exploitation since November 7, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 99.0%, the 99th percentile. No source names a fixed version.
References
nazgul.ch/dev/nostromo_cl.txt
sp0re.sh
git.sp0re.sh/sp0re/Nhttpd-exploits
packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16278
nvd.nist.gov/vuln/detail/CVE-2019-16278
github.com/advisories/GHSA-495x-r3cr-6rgx