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CVE-2026-33027

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui configuration improperly handles URL-encoded traversal sequences. When specially crafted paths are supplied, the backend resolves them to the base Nginx configuration directory and executes the operation on the base directory (/etc/nginx). In particular, this allows an authenticated user to remove the entire /etc/nginx directory, resulting in a partial Denial of Service. This issue has been patched in
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d64af3a161b034778296e1c88c4ac9a5282664933d82fae0bcef4e16484baaae
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-73","description":"CWE-73: External Control of File Name or Path","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e2a7b3d7faddff17cc78c32e40e069d5ef9168b248aa7274215127c6bb644a68 · sha256:0d88f608c7ef8900… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e2a7b3d7faddff17cc78c32e40e069d5ef9168b248aa7274215127c6bb644a68 · sha256:0d88f608c7ef8900… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"nginx-ui","vendor":"0xJacky","versions":[{"status":"affected","version":"< 2.3.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a7b3d7faddff17cc78c32e40e069d5ef9168b248aa7274215127c6bb644a68 · sha256:0d88f608c7ef8900… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e2a7b3d7faddff17cc78c32e40e069d5ef9168b248aa7274215127c6bb644a68 · sha256:0d88f608c7ef8900… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-73","description":"CWE-73: External Control of File Name or Path","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e2a7b3d7faddff17cc78c32e40e069d5ef9168b248aa7274215127c6bb644a68 · sha256:0d88f608c7ef8900… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e2a7b3d7faddff17cc78c32e40e069d5ef9168b248aa7274215127c6bb644a68 · sha256:0d88f608c7ef8900… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.4","tags":["x_refsource_MISC"],"url":"https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e2a7b3d7faddff17cc78c32e40e069d5ef9168b248aa7274215127c6bb644a68 · sha256:0d88f608c7ef8900… · /containers/cna/references/1
{"name":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-m8p8-53vf-8357","tags":["x_refsource_CONFIRM"],"url":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-m8p8-53vf-8357"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e2a7b3d7faddff17cc78c32e40e069d5ef9168b248aa7274215127c6bb644a68 · sha256:0d88f608c7ef8900… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-m8p8-53vf-8357"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e2a7b3d7faddff17cc78c32e40e069d5ef9168b248aa7274215127c6bb644a68 · sha256:0d88f608c7ef8900… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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