CVE-2026-85609

HIGH 7.5

Openpanel before 2.3.0 SSRF via Site Checker Endpoint

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

Openpanel before 2.3.0 contains an unauthenticated full-read server-side request forgery (SSRF) vulnerability in the GET /tools/site-checker endpoint (apps/api/src/controllers/tools.controller.ts). The endpoint passes a user-supplied url query parameter to fetchWithRedirects() and performs server-side HTTP requests to arbitrary URLs without any SSRF/IP validation. An unauthenticated remote attacker can access cloud instance metadata endpoints, probe internal services, scan internal network ports, and read returned content (status code, page size, timing, and parsed HTML metadata), and leak internal IP addresses (via getIPInfo() to a third party).

CWE	CWE-918
Vendor	openpanel-dev
Product	openpanel
Published	Sep 4, 2026
Last Updated	Sep 4, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

Openpanel-dev / openpanel

0 < 2.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-r3jv-rmrg-j395 vulncheck.com: https://www.vulncheck.com/advisories/openpanel-before-2.3.0-ssrf-via-site-checker-endpoint