by Kastro
Paper/Archive/CVE-2026-33026

CVE-2026-33026

0xJacky nginx-ui — nginx-ui Backup Restore Allows Tampering with Encrypted Backups

EPSS 0.3%public exploitCVSS 9.4
critical.is priorityof 100
44
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 26.7.267 × 205.3Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
nginx-ui< 2.3.4–CNA

Scores by source

GitHub_M (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
NVD9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitgithub.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpqrefgithub.com/0xJacky/nginx-ui/releases/tag/v2.3.4