CVE-2026-84315 json
Nginx UI OTP secure-session step-up is missing on sensitive mutation routes
published 30d ago modified 23d ago also EUVD-2026-97830 , GHSA-5v7c-xpfp-p65m , GO-2026-6775
- cvss
- 8.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 27%
- public exploits
- 0
- none known
Summary
Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, Nginx UI does not apply RequireSecureSession to multiple authenticated mutation routes even though OTP-enabled users are expected to present a fresh X-Secure-Session-ID for sensitive actions. A stolen authenticated session can therefore create or alter automatic backups, DNS credentials and records, certificates and ACME users, Nginx control settings, and site or stream automation without completing the OTP or passkey step-up. This issue is fixed in version 2.4.1.
Patch / fix
- go github.com/0xJacky/Nginx-UI 1.9.10-0.20260703131214-23d1934099b0
- nginxui nginx_ui 2.4.1
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 29d ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-5v7c-xpfp-p65m referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H |
| GitHub | 3.1 | 8.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/0xJacky/Nginx-UI | <1.9.10-0.20260703131214-23d1934099b0 |
1.9.10-0.20260703131214-23d1934099b0 |
Affected products
- 0xJacky nginx-ui
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
github.com
/0xJacky/nginx-ui/commit/23d1934099b05b2a01589b48129dc3d3159d91c2
web
-
github.com
/0xJacky/nginx-ui/security/advisories/GHSA-5v7c-xpfp-p65m
exploit, web, advisory
-
github.com
/0xJacky/nginx-ui/releases/tag/v2.4.1
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-84315
advisory
-
github.com
/0xJacky/nginx-ui
package
Sources
- CVE List CVE-2026-84315
- GitHub Advisory GHSA-5v7c-xpfp-p65m
- NVD CVE-2026-84315
- OSV GO-2026-6775
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.