GO-2026-5989 Unauthenticated OIDC login in nebula-mesh allows unbounded memory allocation in github.com/forgekeep/nebula-mesh

When OIDC is enabled, the login endpoint is reachable without authentication and is registered outside the rate-limited auth routes. Every request creates a fresh random OIDC state value and stores it in an in-memory map. An unauthenticated remote client can grow the state storage, bounded by...

CVE-2026-44909

Proxygen lacked a generalized slow-consumer detection mechanism in its core HTTP session layer. A remote, unauthenticated attacker could exploit HTTP/2 flow-control by setting SETTINGSINITIALWINDOWSIZE to 0 or withholding WINDOWUPDATE frames, causing the server to buffer complete response bodies ...

CVE-2026-44909

Proxygen lacked a generalized slow-consumer detection mechanism in its core HTTP session layer. A remote, unauthenticated attacker could exploit HTTP/2 flow-control by setting SETTINGSINITIALWINDOWSIZE to 0 or withholding WINDOWUPDATE frames, causing the server to buffer complete response bodies ...

CVE-2026-44909

Proxygen lacked a generalized slow-consumer detection mechanism in its core HTTP session layer. A remote, unauthenticated attacker could exploit HTTP/2 flow-control by setting SETTINGSINITIALWINDOWSIZE to 0 or withholding WINDOWUPDATE frames, causing the server to buffer complete response bodies ...

EUVD-2026-48310

Proxygen lacked a generalized slow-consumer detection mechanism in its core HTTP session layer. A remote, unauthenticated attacker could exploit HTTP/2 flow-control by setting SETTINGSINITIALWINDOWSIZE to 0 or withholding WINDOWUPDATE frames, causing the server to buffer complete response bodies ...

CVE-2026-44909

Proxygen lacked a generalized slow-consumer detection mechanism in its core HTTP session layer. A remote, unauthenticated attacker could exploit HTTP/2 flow-control by setting SETTINGSINITIALWINDOWSIZE to 0 or withholding WINDOWUPDATE frames, causing the server to buffer complete response bodies ...

CVE-2026-44909

CVE-2026-44909 – Normal mode Proxygen’s HTTP/2 flow-control handling in the core HTTP session layer lacks a generalized slow-consumer detection mechanism. A remote unauthenticated attacker can exploit HTTP/2 flow-control by setting SETTINGS_INITIAL_WINDOW_SIZE to 0 or by withholding WINDOW_UPDATE...

GHSA-4C39-4CCG-62R3 Next.js: Unbounded Server Action payload in Edge runtime

Impact Requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the Edge runtime Workarounds If you cannot upgrade, ensure your hosting provider limits the request's body size. 5 MiB should be...

SUSE CVE-2026-59848

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service...

EUVD-2026-42318

Immutable.js List 32-bit trie overflow → unrecoverable DoS...

libssh: libssh: denial of service via SFTP responses with unknown request IDs

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service...

CVE-2026-59848

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service...

CVE-2026-59848 Libssh: libssh: denial of service via sftp responses with unknown request ids

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service...

EUVD-2026-46256

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service...

CVE-2026-59848

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service...

CVE-2026-59848

CVE-2026-59848 concerns libssh. A malicious SFTP server may send responses for unknown request IDs that libssh clients keep queued, causing unbounded memory growth and client-side denial of service. Affected component: libssh’s SFTP client handling. Root cause: responses for unknown IDs are queue...

CVE-2026-59848

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service. Mitigation Do not connect to untrusted SFTP servers...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS in the handling of SFTP responses with unknown request IDs. An attacker can cause unbounded memory growth and disrupt client operations by sending specially crafted responses from a malicious SFTP server. Workaroun...

PT-2026-61940

Name of the Vulnerable Software and Affected Versions libssh affected versions not specified Description A flaw exists where a malicious SFTP server can send responses for unknown request IDs. The libssh client queues these responses indefinitely, leading to unbounded memory growth and a...

Amazon Linux 2 : amazon-ssm-agent, --advisory ALAS2-2026-3809 (ALAS-2026-3809)

The version of amazon-ssm-agent installed on the remote host is prior to 3.3.4624.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3809 advisory. An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbound...