How severe is CVE-2026-44015?

CVE-2026-44015 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-44015 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44015?

CVE-2026-44015 affects Nginxui Nginx Ui. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44015?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-44015 have an EU (EUVD) identifier?

Yes. CVE-2026-44015 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29837.

When was CVE-2026-44015 published?

CVE-2026-44015 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-44015

CVE-2026-44015 is a high-severity vulnerability in Nginxui Nginx Ui with a CVSS 3.x base score of 8.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 8.5)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29837
Weakness: CWE-918
Affected product: Nginxui Nginx Ui
Published: 2026-05-12
Last modified: 2026-06-17

Description

Nginx UI is a web user interface for the Nginx web server. In 2.3.4 and earlier, an authenticated user can perform Server-Side Request Forgery (SSRF) by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwards these requests to the attacker-specified internal address, bypassing network segmentation and enabling access to services bound to localhost or internal networks.

Frequently asked questions

What is CVE-2026-44015?: Nginx UI is a web user interface for the Nginx web server. In 2.3.4 and earlier, an authenticated user can perform Server-Side Request Forgery (SSRF) by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwards these requests to the attacker-specified internal address, bypassing network segmentation and enabling access to services bound to localhost or internal networks.
How severe is CVE-2026-44015?: CVE-2026-44015 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-44015 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44015?: CVE-2026-44015 affects Nginxui Nginx Ui. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44015?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-44015 have an EU (EUVD) identifier?: Yes. CVE-2026-44015 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29837.
When was CVE-2026-44015 published?: CVE-2026-44015 was published on 2026-05-12 and last updated on 2026-06-17.

References

https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-wr32-99hh-6f35

Affected products (1)

cpe:2.3:a:nginxui:nginx_ui:*:*:*:*:*:*:*:*

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