CVE-2023-27591: Unauthenticated Miniflux user can bypass allowed networks check to obtain Prometheus metrics

CVE-2023-27591 · Severity: low · CVSS 3.1 · Published 2025-04-02

Unauthenticated Miniflux user can bypass allowed networks check to obtain Prometheus metrics

Technologies: miniflux.app (Go), miniflux.app/v2 (Go). Vendors: Go.

Quick answers

Is CVE-2023-27591 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-27591 being exploited in the wild.
How severe is CVE-2023-27591?
Low severity, with a CVSS score of 3.1, published 2 April 2025.
Which products and versions are affected?
miniflux.app (Go) SEMVER:introduced=0,last_affected=1.0.46; miniflux.app/v2 (Go) SEMVER:introduced=0,fixed=2.0.43.
Is there a fix for CVE-2023-27591?
Yes. miniflux.app/v2 (Go): upgrade to 2.0.43 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2023-27591?
Check whether you run miniflux.app (Go) or miniflux.app/v2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • miniflux.app/v2 (Go): upgrade to 2.0.43 or later
    go get miniflux.app/v2@v2.0.43

Affected products

  • miniflux.app (Go) SEMVER:introduced=0,last_affected=1.0.46
  • miniflux.app/v2 (Go) SEMVER:introduced=0,fixed=2.0.43

Identifiers

  • CVE-2023-27591
  • GHSA-3qjf-qh38-x73v

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