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CVE-2026-128330

Miniflux before 2.3.5 Insufficient Session Expiration After Password Change

Miniflux before 2.3.5 contains an insufficient session expiration vulnerability that allows attackers to retain account access because password changes do not revoke existing web sessions. Attackers holding a leaked password or copied session cookie keep access for up to 30 days, reading integration credentials, creating API keys, or registering passkeys.

CVSS 4.0 · 2.3 Low EPSS n/a KEV · Not listed
Vendors
Miniflux Project
Products
Miniflux
CVE-2026-128331

Miniflux before 2.3.5 Password Change Without Current Password via Settings Form

Miniflux before 2.3.5 contains an unverified password change vulnerability that allows holders of a signed-in session to change the account password without supplying the current password. Attackers with a stolen session cookie or unattended device can submit new password fields via updateSettings to lock out the owner and take over the account.

CVSS 4.0 · 6 Medium EPSS n/a KEV · Not listed
Vendors
Miniflux Project
Products
Miniflux
CVE-2026-108735

Miniflux 2.3.0 through 2.3.3 SSRF via Per-Feed Proxy URL

Miniflux 2.3.0 through 2.3.3 contains a server-side request forgery vulnerability that allows authenticated users to reach internal addresses by setting a feed's proxy_url. Attackers can point proxy_url at loopback or internal hosts, bypassing FETCHER_ALLOW_PRIVATE_NETWORKS checks to probe internal ports and send proxy-style requests to internal services.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Miniflux Project
Products
Miniflux
CVE-2026-21885

Miniflux Media Proxy SSRF via /proxy endpoint allows access to internal network resources

Miniflux 2 is an open source feed reader. Prior to version 2.2.16, Miniflux's media proxy endpoint (`GET /proxy/{encodedDigest}/{encodedURL}`) can be abused to perform Server-Side Request Forgery (SSRF). An authenticated user can cause Miniflux to generate a signed proxy URL for attacker-chosen media URLs embedded in feed entry content, including internal addresses (e.g., localhost, private RFC1918 ranges, or link-local metadata endpoints). Requesting the resulting `/proxy/...` URL makes Miniflux fetch and return the internal response. Version 2.2.16 fixes the issue.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Miniflux Project
Products
Miniflux
CVE-2025-67713

Miniflux 2 has an Open Redirect via protocol-relative `redirect_url`

Miniflux 2 is an open source feed reader. Versions 2.2.14 and below treat redirect_url as safe when url.Parse(...).IsAbs() is false, enabling phishing flows after login. Protocol-relative URLs like //ikotaslabs.com have an empty scheme and pass that check, allowing post-login redirects to attacker-controlled sites. This issue is fixed in version 2.2.15.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Miniflux Project
Products
Miniflux
CVE-2023-27592

Stored XSS in Miniflux when opening a broken image due to unescaped ServerError in proxy handler

Miniflux is a feed reader. Since v2.0.25, Miniflux will automatically proxy images served over HTTP to prevent mixed content errors. When an outbound request made by the Go HTTP client fails, the `html.ServerError` is returned unescaped without the expected Content Security Policy header added to valid responses. By creating an RSS feed item with the inline description containing an `<img>` tag with a `srcset` attribute pointing to an invalid URL like `http:a<script>alert(1)</script>`, we can coerce the proxy handler into an error condition where the invalid URL is returned unescaped and in full. This results in JavaScript execution on the Miniflux instance as soon as the user is convinced (e.g. by a message in the alt text) to open the broken image. An attacker can execute arbitrary JavaScript in the context of a victim Miniflux user when they open a broken image in a crafted RSS feed. This can be used to perform actions on the Miniflux instance as that user and gain administrative access to the Miniflux instance if it is reachable and the victim is an administrator. A patch is available in version 2.0.43. As a workaround sisable image proxy; default value is `http-only`.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Miniflux Project
Products
Miniflux
CVE-2023-27591

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

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.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Miniflux Project
Products
Miniflux