Auth bypass in Admpub Nging
CVE-2026-119653
Nging through 5.3.5 contains an information disclosure vulnerability that allows any authenticated backend user to list host directories by abusing the public-tagged /user/autocomplete_path endpoint. Low-privileged users without file-manager permission can supply arbitrary paths in the query parameter to enumerate directories readable by the Nging process and confirm specific files exist.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/admpub/nging/issues/831 (issue-tracking)
- github.com/admpub/nging/commit/6434d026f668bdb5d59db658036fd6febbd29c0c (patch)
- github.com/admpub/nging/blob/v5.3.5/application/handler/user/init.go (technical-description)
- github.com/admpub/nging/blob/v5.3.5/application/handler/user/profile.go (technical-description)
- hackmd.io/@hieuPenguinnn/nging-user-autocomplete-path-filesystem-disclosure (third-party-advisory)
- github.com/admpub/nging (product)
- www.vulncheck.com/advisories/nging-through-5.3.5-directory-listing-disclosure-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-119653?
- CVE-2026-119653 is a medium-severity vulnerability in Admpub Nging, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-30.
- How severe is CVE-2026-119653?
- Medium severity. CVSS v3 base score is 4.3 out of 10.