CVE-2023-27591
HIGHminiflux < 2.0.43 - Unauthenticated Information Disclosure via Prometheus Metrics Endpoint
Title source: llmDescription
Miniflux is a feed reader. Prior to version 2.0.43, an unauthenticated user can retrieve Prometheus metrics from a publicly reachable Miniflux instance where the `METRICS_COLLECTOR` configuration option is enabled and `METRICS_ALLOWED_NETWORKS` is set to `127.0.0.1/8` (the default). A patch is available in Miniflux 2.0.43. As a workaround, set `METRICS_COLLECTOR` to `false` (default) or run Miniflux behind a trusted reverse-proxy.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_confirm
https://github.com/miniflux/v2/security/advisories/GHSA-3qjf-qh38-x73v
Issue Tracking, Patch x_refsource_misc
https://github.com/miniflux/v2/pull/1745
Release Notes x_refsource_misc
https://github.com/miniflux/v2/releases/tag/2.0.43
Product x_refsource_misc
https://miniflux.app/docs/configuration.html#metrics-collector
Scores
CVSS v3
7.5
EPSS
0.0076
EPSS Percentile
50.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1220
CWE-200
Status
published
Products (3)
Go/miniflux.app
0Go
miniflux.app/v2
0 - 2.0.43Go
miniflux_project/miniflux
< 2.0.43
Published
Mar 17, 2023
Tracked Since
Feb 18, 2026