PT-2026-23915

A vulnerability was determined in mkj Dropbear up to 2025.89. Impacted is the function unpackneg of the file src/curve25519.c of the component S Range Check. This manipulation causes improper verification of cryptographic signature. The attack can be initiated remotely. The attack is considered t...

Improper Verification of Cryptographic Signature

Overview parse-server is a version of the Parse backend that can be deployed to any infrastructure that can run Node.js. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the authentication process when the audience configuration option is not...

CVE-2026-29606

OpenClaw versions prior to 2026.2.14 contain a webhook signature-verification bypass in the voice-call extension that allows unauthenticated requests when the tunnel.allowNgrokFreeTierLoopbackBypass option is explicitly enabled. An external attacker can send forged requests to the publicly...

PYSEC-2026-2118

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application co...

PYSEC-2026-2118

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application co...

CVE-2026-28802

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application co...

CVE-2026-28802 Authlib: Setting `alg: none` and a blank signature appears to bypass signature verification

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application co...

(Pwn2Own) Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Philips Hue Bridge. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ed25519signopen function. The issue results from improper verification ...

The vulnerability of the JwtAuthenticator component in the authentication and authorization library pac4j-jwt allows a perpetrator to circumvent existing security restrictions.

The vulnerability of the JwtAuthenticator component in the authentication and authorization library pac4j-jwt is related to errors in verifying the cryptographic signature. Exploiting this vulnerability could allow a malicious actor to circumvent existing security restrictions by sending speciall...

CVE-2026-28802: Improper Verification of Cryptographic Signature

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application co...

CVE-2026-29606

OpenClaw versions prior to 2026.2.14 contain a webhook signature-verification bypass in the voice-call extension that allows unauthenticated requests when the tunnel.allowNgrokFreeTierLoopbackBypass option is explicitly enabled. An external attacker can send forged requests to the publicly...

CVE-2026-29606

OpenClaw before version 2026.2.14 contains a webhook signature-verification bypass in the voice-call extension when tunnel.allowNgrokFreeTierLoopbackBypass is enabled, allowing unauthenticated requests to the publicly reachable webhook endpoint. This can lead to unauthorized webhook event handlin...

CVE-2026-29606 OpenClaw < 2026.2.14 - Webhook Signature Verification Bypass via ngrok Loopback Compatibility

OpenClaw versions prior to 2026.2.14 contain a webhook signature-verification bypass in the voice-call extension that allows unauthenticated requests when the tunnel.allowNgrokFreeTierLoopbackBypass option is explicitly enabled. An external attacker can send forged requests to the publicly...

SUSE-SU-2026:20655-1 Security update for python-cryptography

This update for python-cryptography fixes the following issues: - CVE-2026-26007: missing validation can lead to security issues for signature verification ECDSA and shared key negotiation ECDH bsc1258074...

SUSE-SU-2026:20706-1 Security update for python-cryptography

This update for python-cryptography fixes the following issues: - CVE-2026-26007: missing validation can lead to security issues for signature verification ECDSA and shared key negotiation ECDH bsc1258074...

CVE-2026-29606: Missing Authentication for Critical Function

OpenClaw versions prior to 2026.2.14 contain a webhook signature-verification bypass in the voice-call extension that allows unauthenticated requests when the tunnel.allowNgrokFreeTierLoopbackBypass option is explicitly enabled. An external attacker can send forged requests to the publicly...

TencentOS Server 4: edk2 (TSSA-2026:0116)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0116 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

GHSA-7WC2-QXGW-G8GG Authlib: Setting `alg: none` and a blank signature appears to bypass signature verification

Summary After upgrading the library from 1.5.2 to 1.6.0 and the latest 1.6.5 it was noticed that previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application code when a failure was...

RUSTSEC-2026-0076 Panic in Signature Hint Decoding During Verification

During ML-DSA verification the serialized hint values are decoded as specified in algorithm 22 HintBitUnpack of FIPS 204, subsection 7.1. The algorithm requires that the cumulative hint counters per row of the hint vector are strictly increasing and below a maximum value which depends on the choi...

RUSTSEC-2026-0077 Incorrect Check of Signer Response Norm During Verification

The ML-DSA verification algorithm as specified in FIPS 204, subsection 6.3 requires verifiers to check that the infinity norm of the deserialized signer response $z$ does not exceed $\gamma1 - \beta$ line 13 of Algorithm 8. The same check is required to be performed during signature generation...