PT-2023-21231 · Miniflux · Miniflux

40826D · Published 2023-03-17 · Updated 2025-04-02 · CVE-2023-27591

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Miniflux versions prior to 2.0.43

Description 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).

Recommendations For versions prior to 2.0.43, update to Miniflux 2.0.43 to resolve the issue. As a temporary workaround, set METRICS COLLECTOR to false (default) or run Miniflux behind a trusted reverse-proxy.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-1220

CWE-200

Related Identifiers

CVE-2023-27591

GHSA-3QJF-QH38-X73V

Affected Products

Miniflux

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/27xxx/CVE-2023-27591.json · Exploit
• https://github.com/miniflux/v2/security/advisories/GHSA-3qjf-qh38-x73v · Vendor Advisory
• https://github.com/miniflux/v2/pull/1745 · Patch
• https://osv.dev/vulnerability/CVE-2023-27591 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-3qjf-qh38-x73v · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-27591 · Security Note
• https://github.com/miniflux/v2 · Note
• https://github.com/miniflux/v2/releases/tag/2.0.43 · Note
• https://t.me/cvenotify/46768 · Telegram Post
• https://t.me/cibsecurity/60273 · Telegram Post
• https://miniflux.app/docs/configuration.html#metrics-collector · Note