CVE-2026-56244

CVE-2026-56244 (Capgo) affects Capgo prior to 12.128.2. The issue arises because non-admin API keys can read webhook signing secrets via Supabase REST due to insufficient row-level security on the webhooks table. This enables attackers to retrieve the webhook secret and forge valid X-Capgo-Signat...

EUVD-2026-38655

The Osiris Signature Banner plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 0.5. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious...

Keycloak - SAML Core Package Signature Validation Flaw

A flaw exists in the SAML signature validation method within the Keycloak XMLSignatureUtil class. The method incorrectly determines whether a SAML signature is for the full document or only for specific assertions based on the position of the signature in the XML document, rather than the Referen...

DataEase v2.10.2 - JWT Signature Verification Bypass

DataEase is an open source data visualization analysis tool that helps users quickly analyze data and gain insights into business trends. In affected versions, the lack of signature verification of JWT tokens allows attackers to forge JWTs, which then allow access to any interface. The...

MinIO - Incomplete Signature Validation for Unsigned-Trailer Uploads

MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. The signature component of the authorization may be invalid, which would mean that as a client you can use any arbitrary secret to upload objects given the user already has prior WRITE permissions on...

WordPress Osiris Signature Banner plugin <= 0.5 - Cross-Site Request Forgery to Stored Cross-Site Scripting vulnerability

Cross-Site Request Forgery to Stored Cross-Site Scripting vulnerability discovered by Muhammad Nur Ibnu Hubab - Pondok Teknologi in WordPress Plugin Osiris Signature Banner versions = 0.5...

CVE-2026-56357

n8n before 1.123.15 and 2.5.0 contains a webhook forgery vulnerability in the GitHub Webhook Trigger node that fails to implement HMAC-SHA256 signature verification. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary data, spoofing GitHub webhoo...

CVE-2026-55599

phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it...

CVE-2026-55599

phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it...

CVE-2026-12205

A flaw was found in Crypt::DSA, a Perl module for Digital Signature Algorithm DSA cryptography. This vulnerability occurs because the software reuses a unique random number, known as a nonce, for multiple digital signatures generated with the same cryptographic key. An attacker could exploit this...

CVE-2026-12725

A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing unsupported algorithm or digest types can cause dnsmasq to write past the end of an internal logging buffer. A remote attacker able to supply su...

Linux Distros Unpatched Vulnerability : CVE-2026-12725

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing...

GHSA-WFQX-GJRF-G28R Crossplane: Signature verification TOCTOU allows installing unverified package content via mutable tag

Summary Crossplane allows package signature verification to be configured via the ImageConfig mechanism. When enabled, the package manager uses cosign to verify that packages are correctly signed before pulling and installing them. When a package is installed using a tag reference e.g., a semanti...

Astra Linux – Vulnerability in gnupg2

GnuPG versions up to 2.3.6 allow for signature forgery in unusual situations where an attacker possesses secret-key information from a victim’s keyring, and other constraints such as the use of GPGME are met. This can be achieved by injecting malicious data into the command line’s status line...

Astra Linux – Vulnerability in LibreOffice

LibreOffice supports digital signatures for ODF documents and macros within documents. It provides visual indicators that confirm that the document has not been altered since the last signature, and that the signature is valid. A vulnerability in certificate validation in LibreOffice allowed...

Astra Linux – Vulnerability in poppler, poppler-22

NSSCryptoSignBackend.cc in Poppler before version 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, which can lead to potential signature forgeries...

Astra Linux – Vulnerability in mbedtls

The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto 2.1 and Mbed TLS from 2.19.1 onwards does not reduce the blinded scalar before computing the inverse. This allows a local attacker to recover the private key through side-channel attacks...

Astra Linux – Vulnerability in Samba

A flaw was discovered in the way Samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request and chose to fragment it, an attacker could replace the later fragments with their own data, thereby bypassing the signature requirements...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: IMA: Do not clear the IMADIGSIG flag when setting or removing non-IMA xattr. Currently, when both IMA and EVM are in “fix” mode, the IMA signature will be reset to the IMA hash if a program first stores the IMA signature in...

CVE-2026-49454

Relyra is a strict-by-default SAML 2.0 Service Provider library for Elixir and Phoenix. Versions 1.0.0 and 1.1.0 accept forged SAML signatures because SignatureValue was not cryptographically verified before the library returned a successful authentication result. The XMLDSig trust boundary was...