Critical
nginx-ui Backup Restore Allows Tampering with Encrypted Backups
Type: advisorySources: OSV
Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui backup restore mechanism allows attackers to tamper with encrypted backup archives and inject malicious configuration during restoration. This issue has been patched in version 2.3.4.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-33026
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 23:58 UTC · Revision 1
Source evidence
nginx-ui Backup Restore Allows Tampering with Encrypted Backups
core-osv · Original sourcePublished 30 Mar 2026, 19:26 UTC
Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui backup restore mechanism allows attackers to tamper with encrypted backup archives and inject malicious configuration during restoration. This issue has been patched in version 2.3.4.
osv:CVE-2026-33026
Complete source record
{
"id": "80dfe1702522fba1d708c5d80b204343479534076d0803d34949d890e33bdbb6",
"url": "https://osv.dev/vulnerability/CVE-2026-33026",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "nginx-ui Backup Restore Allows Tampering with Encrypted Backups",
"summary": "Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui backup restore mechanism allows attackers to tamper with encrypted backup archives and inject malicious configuration during restoration. This issue has been patched in version 2.3.4.",
"evidence": "osv:CVE-2026-33026",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2026-33026",
"aliases": [
"CVE-2026-33026",
"GHSA-fhh2-gg7w-gwpq",
"GO-2026-4903"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/0xjacky/nginx-ui",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "20412b5b54f9e0473d5fbd10a964f4f3035c5521"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "2.3.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "20412b5b54f9e0473d5fbd10a964f4f3035c5521"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v2.3.4"
},
{
"cpe": "cpe:2.3:a:nginxui:nginx_ui:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.3.4"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33026.json"
}
}
],
"modified": "2026-10-28T02:30:24.364835197Z",
"provider": "osv",
"references": [
"https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.4",
"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33026.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-33026"
],
"provider_metadata": {
"cwe_ids": [
"CWE-312",
"CWE-347",
"CWE-354"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33026.json"
}
},
"related_cves": [
{
"value": "CVE-2026-33026",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 491021,
"published_at": "2026-03-30T19:26:27.695+00:00"
}