CVE-2026-3549

Heap Overflow in TLS 1.3 ECH parsing. An integer underflow existed in ECH extension parsing logic when calculating a buffer length, which resulted in writing beyond the bounds of an allocated buffer. Note that in wolfSSL, ECH is off by default, and the ECH standard is still evolving...

CVE-2026-3230

wolfSSL’s TLS 1.3 client logic is affected by an improper key_share handling during HelloRetryRequest, allowing a crafted HelloRetryRequest followed by a ServerHello without the key_share extension to derive predictable traffic secrets from the (EC)DHE shared secret. Affected component: TLS hands...

CVE-2026-3549

Heap Overflow in TLS 1.3 ECH parsing. An integer underflow existed in ECH extension parsing logic when calculating a buffer length, which resulted in writing beyond the bounds of an allocated buffer. Note that in wolfSSL, ECH is off by default, and the ECH standard is still evolving...

CVE-2026-3549 ECH parsing heap buffer overflow

Heap Overflow in TLS 1.3 ECH parsing. An integer underflow existed in ECH extension parsing logic when calculating a buffer length, which resulted in writing beyond the bounds of an allocated buffer. Note that in wolfSSL, ECH is off by default, and the ECH standard is still evolving...

CVE-2026-3549

Heap Overflow in TLS 1.3 ECH parsing. An integer underflow existed in ECH extension parsing logic when calculating a buffer length, which resulted in writing beyond the bounds of an allocated buffer. Note that in wolfSSL, ECH is off by default, and the ECH standard is still evolving...

GHSA-HH8V-HGVP-G3F5 league/commonmark has an embed extension allowed_domains bypass

Impact The DomainFilteringAdapter in the Embed extension is vulnerable to an allowlist bypass due to a missing hostname boundary assertion in the domain-matching regex. An attacker-controlled domain like youtube.com.evil passes the allowlist check when youtube.com is an allowed domain. This enabl...

league/commonmark has an embed extension allowed_domains bypass

Impact The DomainFilteringAdapter in the Embed extension is vulnerable to an allowlist bypass due to a missing hostname boundary assertion in the domain-matching regex. An attacker-controlled domain like youtube.com.evil passes the allowlist check when youtube.com is an allowed domain. This enabl...

CLSA-2026-1773932358 libssh: Fix of CVE-2026-3731

Fix CVE-2026-3731: out-of-bounds read in SFTP extension name handler...

CLSA-2026-1773931583 libssh: Fix of CVE-2026-3731

CVE-2026-3731: fix off-by-one in sftpextensionsgetname/sftpextensionsgetdata...

CLSA-2026-1773929316 Fix CVE(s): CVE-2026-3731

SECURITY UPDATE: remote out-of-bounds read in SFTP extension name handler - debian/patches/CVE-2026-3731.patch: Fix out-of-bound read from sftp extensions; correct index comparison from '' to '=' and prevent access past extension count. - CVE-2026-3731...

Use of Externally-Controlled Format String

Overview json is a JSON implementation as a Ruby extension in C. Affected versions of this package are vulnerable to Use of Externally-Controlled Format String in JSON.parsedoc, allowduplicatekey: false. An attacker can cause denial of service or disclose sensitive information via malicious forma...

Fake Windsurf IDE Extension Uses Solana Blockchain to Steal Developer Data

Cybersecurity researchers at Bitdefender have discovered a malicious Windsurf IDE extension using the Solana blockchain to steal developer credentials...

SUSE-SU-2026:20767-1 Security update for libssh

This update for libssh fixes the following issue: - CVE-2026-3731: Denial of Service via out-of-bounds read in SFTP extension name handler bsc1259377...

GHSA-8PX5-2GFR-7PH6 Duplicate Advisory: OpenClaw has Windows Lobster shell fallback command injection in constrained fallback path

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-fg3m-vhrr-8gj6. This link is maintained to preserve external references. Original Description OpenClaw versions 2026.1.21 prior to 2026.2.19 contain a command injection vulnerability in the Lobster extension's...

EUVD-2026-13029

OpenClaw versions 2026.1.21 prior to 2026.2.19 contain a command injection vulnerability in the Lobster extension's Windows shell fallback mechanism that allows attackers to inject arbitrary commands through tool-provided arguments. When spawn failures trigger shell fallback with shell: true,...

Duplicate Advisory: OpenClaw has Windows Lobster shell fallback command injection in constrained fallback path

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-fg3m-vhrr-8gj6. This link is maintained to preserve external references. Original Description OpenClaw versions 2026.1.21 prior to 2026.2.19 contain a command injection vulnerability in the Lobster extension's...

EUVD-2026-13039

OpenClaw versions prior to 2026.2.19 contain a command injection vulnerability in the Lobster extension tool execution that uses Windows shell fallback with shell: true after spawn failures. Attackers can inject shell metacharacters in command arguments to execute arbitrary commands when subproce...

Duplicate Advisory: OpenClaw: WebSocket shared-auth connections could self-declare elevated scopes

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-7fcc-cw49-xm78. This link is maintained to preserve external references. Original Description OpenClaw versions prior to 2026.2.19 contain a command injection vulnerability in the Lobster extension tool executio...

GHSA-5RP4-CWGH-GVWQ Duplicate Advisory: OpenClaw: WebSocket shared-auth connections could self-declare elevated scopes

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-7fcc-cw49-xm78. This link is maintained to preserve external references. Original Description OpenClaw versions prior to 2026.2.19 contain a command injection vulnerability in the Lobster extension tool executio...

CVE-2026-32000

OpenClaw versions prior to 2026.2.19 contain a command injection vulnerability in the Lobster extension tool execution that uses Windows shell fallback with shell: true after spawn failures. Attackers can inject shell metacharacters in command arguments to execute arbitrary commands when subproce...