CVE-2026-5466 wc_VerifyEccsiHash missing sanity check

wolfSSL's ECCSI signature verifier wcVerifyEccsiHash decodes the r and s scalars from the signature blob via mpreadunsignedbin with no check that they lie in 1, q-1. A crafted forged signature could verify against any message for any identity, using only publicly-known constants...

CVE-2026-5466 wc_VerifyEccsiHash missing sanity check

wolfSSL's ECCSI signature verifier wcVerifyEccsiHash decodes the r and s scalars from the signature blob via mpreadunsignedbin with no check that they lie in 1, q-1. A crafted forged signature could verify against any message for any identity, using only publicly-known constants...

GHSA-36CP-MH65-X882 Duplicate Advisory: OpenClaw is vulnerable to unauthenticated resource exhaustion through its voice call webhook handling

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rm59-992w-x2mv. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handlin...

GHSA-8F9R-GR6R-X63Q Duplicate Advisory: OpenClaw: Feishu webhook reads and parses unauthenticated request bodies before signature validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3h52-cx59-c456. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated...

Duplicate Advisory: OpenClaw is vulnerable to unauthenticated resource exhaustion through its voice call webhook handling

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rm59-992w-x2mv. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handlin...

EUVD-2026-21136

OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated attackers to force resource-intensive parsing operations. Remote attackers can send malicious webhook requests to trigger denial of service by exhausting server resources through...

EUVD-2026-21110

OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassi...

Duplicate Advisory: OpenClaw: Feishu webhook reads and parses unauthenticated request bodies before signature validation

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3h52-cx59-c456. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated...

Duplicate Advisory: OpenClaw: Plivo V2 verified replay identity drifts on query-only variants

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-cg6c-q2hx-69h7. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.23 contains a replay identity vulnerability in Plivo V2 signature verification that allows...

PT-2026-31865

Name of the Vulnerable Software and Affected Versions wolfSSL versions prior to 5.9.1 Description The wolfSSL X509 verify cert function within the OpenSSL compatibility layer does not properly check the signature of a certificate's leaf when an untrusted intermediate certificate with Basic...

PT-2026-31862

Name of the Vulnerable Software and Affected Versions wolfSSL affected versions not specified Description The ECCSI signature verifier wc VerifyEccsiHash in wolfSSL decodes the r and s scalars from the signature blob using mp read unsigned bin without verifying that these values fall within the...

CVE-2026-5466

wolfSSL's ECCSI signature verifier wcVerifyEccsiHash decodes the r and s scalars from the signature blob via mpreadunsignedbin with no check that they lie in 1, q-1. A crafted forged signature could verify against any message for any identity, using only publicly-known constants...

Linux Distros Unpatched Vulnerability : CVE-2026-5466

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wolfSSL's ECCSI signature verifier wcVerifyEccsiHash decodes the r and s scalars from the signature blob via mpreadunsignedbin with no check that they lie in 1,...

wolfSSL（CyaSSL） 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library developed by the American company wolfSSL, aimed at developers working with embedded systems. There is a security vulnerability in wolfSSL, where the ECCSI signature verifier does not check the scalar range, allowing specially...

CVE-2026-35626

OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassi...

CVE-2026-35618

OpenClaw before 2026.3.23 contains a replay identity vulnerability in Plivo V2 signature verification that allows attackers to bypass replay protection by modifying query parameters. The verification path derives replay keys from the full URL including query strings instead of the canonicalized...

CVE-2026-5194

A flaw was found in wolfSSL. Missing hash/digest size and Object Identifier OID checks allow the acceptance of smaller, less secure digests during the verification of Elliptic Curve Digital Signature Algorithm ECDSA certificates. This could enable a remote attacker, with knowledge of the public...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the authentication for Google OIDC tokens in the GCR Receiver webhook endpoint. An attacker can trigger unauthorized reconciliation of resources by presenting any valid Google-issued...

EUVD-2026-21070

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

CVE-2026-35640

OpenClaw before 2026.3.25 parses JSON webhook request bodies before validating signatures, enabling unauthenticated attackers to trigger denial of service by forcing resource-intensive JSON parsing. Affected package: openclaw (versions