CVE-2026-90581

cym1102 nginxWebUI autoUpdate MainController.autoUpdate code injection

MEDIUM
6.3
CVSS Score
Published: September 13, 2026 at 07:30 PM UTC
Updated: September 14, 2026 at 09:14 PM UTC
1 product affected across 1 vendornginxWebUI

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

A vulnerability was determined in cym1102 nginxWebUI up to 4.4.2. This issue affects the function MainController.autoUpdate of the file /adminPage/main/autoUpdate. This manipulation of the argument url causes code injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403166
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403166/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90581
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/913328
ExploitIssue Tracking
Source: cverecord
https://github.com/cym1102/nginxWebUI/issues/213
Issue TrackingPatch
Source: cverecord
https://github.com/cym1102/nginxWebUI/pull/215

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-94CWE-74

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