Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-11-07. Ransomware campaign use: Unknown.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-11-28. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
n/a / n/a
Default status: Not specified
- affected: n/a
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- http://www.nazgul.ch/dev/nostromo_cl.txt
- https://sp0re.sh
- https://git.sp0re.sh/sp0re/Nhttpd-exploits
- http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html
- http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16278
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.99033,
"percentile": 0.99932
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.99033,
"percentile": 0.99931
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.99033,
"percentile": 0.99931
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.99033,
"percentile": 0.99931
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.99033,
"percentile": 0.99931
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.99033,
"percentile": 0.9993
}06 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
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"references": [
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"url": "http://www.nazgul.ch/dev/nostromo_cl.txt"
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{
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"url": "https://sp0re.sh"
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{
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"url": "https://git.sp0re.sh/sp0re/Nhttpd-exploits"
},
{
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"url": "http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html"
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{
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],
"url": "http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:nazgul:nostromo_nhttpd:*:*:*:*:*:*:*:*"
],
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"product": "nostromo_nhttpd",
"vendor": "nazgul",
"versions": [
{
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"status": "affected",
"version": "0",
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],
"metrics": [
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"baseScore": 9.8,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
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{
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{
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"timestamp": "2025-08-20T03:56:12.872752Z",
"version": "2.0.3"
},
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},
{
"other": {
"content": {
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},
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],
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"description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
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],
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
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"references": [
{
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"government-resource"
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],
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{
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"time": "2024-11-07T00:00:00.000Z",
"value": "CVE-2019-16278 added to CISA KEV"
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"title": "CISA ADP Vulnrichment"
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],
"cna": {
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],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
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],
"providerMetadata": {
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"references": [
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},
{
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],
"url": "https://sp0re.sh"
},
{
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],
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},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2019-16278",
"STATE": "PUBLIC"
},
"affects": {
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"vendor_data": [
{
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"url": "http://www.nazgul.ch/dev/nostromo_cl.txt"
},
{
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},
{
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},
{
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},
"cveMetadata": {
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"datePublished": "2019-10-14T16:06:03.000Z",
"dateReserved": "2019-09-13T00:00:00.000Z",
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"state": "PUBLISHED"
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}05 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.99033,
"percentile": 0.9993
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.99033,
"percentile": 0.9993
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.99033,
"percentile": 0.99931
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.99033,
"percentile": 0.99931
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2019-16278",
"cwes": [
"CWE-22"
],
"dateAdded": "2024-11-07",
"dueDate": "2024-11-28",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://www.nazgul.ch/dev/nostromo_cl.txt ; https://nvd.nist.gov/vuln/detail/CVE-2019-16278",
"product": "nhttpd",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Nostromo nhttpd contains a directory traversal vulnerability in the http_verify() function in a non-chrooted nhttpd server allowing for remote code execution.",
"vendorProject": "Nostromo",
"vulnerabilityName": "Nostromo nhttpd Directory Traversal Vulnerability"
}