CVE-2026-21711

A flaw in Node.js Permission Model network enforcement leaves Unix Domain Socket UDS server operations without the required permission checks, while all comparable network paths correctly enforce them. As a result, code running under --permission without --allow-net can create and expose local IP...

CVE-2026-32236 @backstage/plugin-auth-backend: SSRF in experimental CIMD metadata fetch

Backstage is an open framework for building developer portals. Prior to 0.27.1, a Server-Side Request Forgery SSRF vulnerability exists in @backstage/plugin-auth-backend when auth.experimentalClientIdMetadataDocuments.enabled is set to true. The CIMD metadata fetch validates the initial clientid...

EUVD-2026-11673

@backstage/plugin-auth-backend: SSRF in experimental CIMD metadata fetch...

GHSA-QP4C-XG64-7C6X @backstage/plugin-auth-backend: SSRF in experimental CIMD metadata fetch

Impact A Server-Side Request Forgery SSRF vulnerability exists in @backstage/plugin-auth-backend when auth.experimentalClientIdMetadataDocuments.enabled is set to true. The CIMD metadata fetch validates the initial clientid hostname against private IP ranges but does not apply the same validation...

Server-side Request Forgery (SSRF)

Overview @backstage/plugin-auth-backend is an A Backstage backend plugin that handles authentication Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the CIMD metadata fetch when the auth.experimentalClientIdMetadataDocuments.enabled setting is enabled. An...

Backstage 代码问题漏洞

Backstage is an open-source application developed by Backstage. It serves as an open platform for building developer portals. Versions of Backstage prior to 0.27.1 contained code-related vulnerabilities. These vulnerabilities stemmed from server-side request forgeing when the experimental client ...

BIT-MASTODON-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...

BIT-MASTODON-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...

GHSA-FPG4-JHQR-589C SvelteKit has deserialization expansion in unvalidated `form` remote function leading to Denial of Service (experimental only)

Some relatively small inputs can cause very large files arrays in form handlers. If the SvelteKit application code doesn't check files.length or individual files' sizes and performs expensive processing with them, it can result in Denial of Service. Only users with experimental.remoteFunctions:...

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-2026-27477 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 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 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 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...

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,...

Azure Linux 3.0 Security Update: nodejs (CVE-2024-21890)

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-2024-21890 advisory. - The Node.js Permission Model does not clarify in the documentation that wildcards should be only used as the...

@sveltejs/kit has memory amplification DoS vulnerability in Remote Functions binary form deserializer (application/x-sveltekit-formdata)

Summary The experimental form remote function uses a binary data format containing a representation of submitted form data. A specially-crafted payload can cause the server to allocate a large amount of memory, causing DoS via memory exhaustion. Details When a form is submitted to a remote functi...

PT-2025-54216

Name of the Vulnerable Software and Affected Versions Serverless Framework versions 4.29.0 through 4.29.2 Description The Serverless Framework includes a command injection issue within the built-in MCP server package @serverless/mcp. This affects users utilizing the experimental MCP server featur...

BIT-NGINX-GATEWAY-2024-24990 NGINX HTTP/3 QUIC vulnerability

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3...