CVE-2026-27477

Mastodon CVE-2026-27477 describes an SSRF risk in the FASP feature: unauthenticated registration of a FASP with a base_url that can resolve to an internal address, when the server has EXPERIMENTAL_FEATURES including fasp enabled. Affected: Mastodon versions 4.4.0–4.4.13 and 4.5.0–4.5.6. Impact: s...

CVE-2026-27477 Mastodon has SSRF via unvalidated FASP Provider base_url

Mastodon is a free, open-source social network server based on ActivityPub. FASP registration requires manual approval by an administrator. In versions 4.4.0 through 4.4.13 and 4.5.0 through 4.5.6, an unauthenticated attacker can register a FASP with an attacker-chosen baseurl that includes or...

CVE-2026-27477

Mastodon is a free, open-source social network server based on ActivityPub. FASP registration requires manual approval by an administrator. In versions 4.4.0 through 4.4.13 and 4.5.0 through 4.5.6, an unauthenticated attacker can register a FASP with an attacker-chosen baseurl that includes or...

CVE-2026-27468

Mastodon is a free, open-source social network server based on ActivityPub. FASP registration requires manual approval by an administrator. In versions 4.4.0 through 4.4.13 and 4.5.0 through 4.5.6, actions performed by a FASP to subscribe to account/content lifecycle events or to backfill content...

CVE-2026-27468 Mastodon may allow unconfirmed FASP to make subscriptions

Mastodon is a free, open-source social network server based on ActivityPub. FASP registration requires manual approval by an administrator. In versions 4.4.0 through 4.4.13 and 4.5.0 through 4.5.6, actions performed by a FASP to subscribe to account/content lifecycle events or to backfill content...

CVE-2026-27468

CVE-2026-27468 (Mastodon) affects Mastodon servers that have enabled the experimental FASP feature via EXPERIMENTAL_FEATURES including “fasp”. In versions 4.4.0–4.4.13 and 4.5.0–4.5.6, actions by a FASP to subscribe to account/content lifecycle events or to backfill content did not verify adminis...

CVE-2026-27468 Mastodon may allow unconfirmed FASP to make subscriptions

Mastodon is a free, open-source social network server based on ActivityPub. FASP registration requires manual approval by an administrator. In versions 4.4.0 through 4.4.13 and 4.5.0 through 4.5.6, actions performed by a FASP to subscribe to account/content lifecycle events or to backfill content...

CVE-2026-27468

Mastodon is a free, open-source social network server based on ActivityPub. FASP registration requires manual approval by an administrator. In versions 4.4.0 through 4.4.13 and 4.5.0 through 4.5.6, actions performed by a FASP to subscribe to account/content lifecycle events or to backfill content...

CVE-2026-27468 Mastodon may allow unconfirmed FASP to make subscriptions

Mastodon is a free, open-source social network server based on ActivityPub. FASP registration requires manual approval by an administrator. In versions 4.4.0 through 4.4.13 and 4.5.0 through 4.5.6, actions performed by a FASP to subscribe to account/content lifecycle events or to backfill content...

PT-2026-21779

Name of the Vulnerable Software and Affected Versions Mastodon versions 4.4.0 through 4.4.13 Mastodon versions 4.5.0 through 4.5.6 Description Mastodon is a free, open-source social network server based on ActivityPub. The issue relates to FASP Federated Actor Subscription Protocol registration,...

📄 Tactical RMM 1.3.1 Jinja2 Server-Side Template Injection

This Metasploit module targets a server-side template injection vulnerability in Tactical RMM's template preview endpoint. The implementation is clearly marked as experimental and manually ranked due to the inherently unstable exploitation technique it relies on. The module attempts to achieve...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview @sveltejs/kit is a SvelteKit framework and CLI Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' via the remote form deserialization. An attacker can cause the server to become unresponsive and exhaust CPU resources by...

Memory exhaustion in SvelteKit remote form deserialization (experimental only)

Versions of @sveltejs/kit prior to 2.52.2 with remote functions enabled can be vulnerable to memory exhaustion. Malformed form data can cause the server process to crash due to excessive memory allocation, resulting in denial of service. Only applications using both experimental.remoteFunctions a...

[SECURITY] Fedora 43 Update: envision-3.2.0-7.fc43

UI for building, configuring, and running Monado, the open source OpenXR runtime. This is still highly experimental software, while it's unlikely that anything bad will happen, it's still unstable and there is no guarantee that it will work on your system, with your particular hardware. If you...

Next.js has Unbounded Memory Consumption via PPR Resume Endpoint

A denial of service vulnerability exists in Next.js versions with Partial Prerendering PPR enabled when running in minimal mode. The PPR resume endpoint accepts unauthenticated POST requests with the Next-Resume: 1 header and processes attacker-controlled postponed state data. Two closely related...

NewStart CGSL MAIN 6.06 : nodejs Multiple Vulnerabilities (NS-SA-2025-0241)

The remote NewStart CGSL host, running version MAIN 6.06, has nodejs packages installed that are affected by multiple vulnerabilities: - The use of Module.load can bypass the policy mechanism and require modules outside of the policy.json definition for a given module. This vulnerability affects...

OPENSUSE-RU-2026:20161-1 Recommended update for hauler

This update for hauler fixes the following issues: Changes in hauler: - Update to version 1.4.1 bsc1256546, CVE-2026-22772: fixed typos for containerd imports 493 fix and support containerd imports of hauls 492 bump github.com/sigstore/fulcio 489 - Update to version 1.4.0: added/updated logging f...

CVE-2025-59472

A denial of service vulnerability exists in Next.js versions with Partial Prerendering PPR enabled when running in minimal mode. The PPR resume endpoint accepts unauthenticated POST requests with the Next-Resume: 1 header and processes attacker-controlled postponed state data. Two closely related...

Azure Linux 3.0 Security Update: nodejs (CVE-2024-21891)

The version of nodejs installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-21891 advisory. - Node.js depends on multiple built-in utility functions to normalize paths provided to node:fs functions, whi...

Azure Linux 3.0 Security Update: nodejs (CVE-2024-21896)

The version of nodejs installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-21896 advisory. - The permission model protects itself against path traversal attacks by calling path.resolve on any paths giv...