CVE-2026-73314: Improper Check for Unusual or Exceptional Conditions

XenForo before 2.3.13 contains a signature verification logic error in the PayPal REST webhook handler that allows unauthenticated attackers to bypass payment signature validation by submitting a webhook request with an unsupported authalgo header value. When the algorithm cannot be mapped to a...

Fedora 43 : perl-Net-OAuth (2026-370bd8b5f0)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-370bd8b5f0 advisory. Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non- constant-time comparison in verify. This update...

CVE-2026-77105: Improper Verification of Cryptographic Signature

CommServe contained a cryptographic signature verification issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update CommServe and Web Server...

PT-2026-87049

CommServe contained a cryptographic signature verification issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update CommServe and Web Server...

Fedora 44 : perl-Net-OAuth (2026-e33554bf9f)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-e33554bf9f advisory. Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non- constant-time comparison in verify. This update...

CVE-2026-86304

MojoX::Authentication versions before 0.006 for Perl allow SAML authentication bypass because parseassertion builds Net::SAML2::Binding::POST without a trust anchor. parseassertion in MojoX::Authentication::Model::SAML2 calls Net::SAML2::Binding::POST-new with no cacert, certtext or anchors...

CVE-2026-86304 MojoX::Authentication versions before 0.006 for Perl allow SAML authentication bypass because parse_assertion builds Net::SAML2::Binding::POST without a trust anchor

MojoX::Authentication versions before 0.006 for Perl allow SAML authentication bypass because parseassertion builds Net::SAML2::Binding::POST without a trust anchor. parseassertion in MojoX::Authentication::Model::SAML2 calls Net::SAML2::Binding::POST-new with no cacert, certtext or anchors...

CVE-2026-13447

The Mstore Api plugin for WordPress is vulnerable to Authentication Bypass via JWT Forgery in versions up to, and including, 4.20.0 This is due to missing cryptographic signature verification in the FirebasePhoneAuthHelper::verifyidtoken function, which decodes and validates Firebase ID token...

EUVD-2026-71838

The Mstore Api plugin for WordPress is vulnerable to Authentication Bypass via JWT Forgery in versions up to, and including, 4.20.0 This is due to missing cryptographic signature verification in the FirebasePhoneAuthHelper::verifyidtoken function, which decodes and validates Firebase ID token...

CVE-2026-13447 MStore API <= 4.20.0 - Unauthenticated Authentication Bypass via 'id_token' Parameter JWT Forgery

The Mstore Api plugin for WordPress is vulnerable to Authentication Bypass via JWT Forgery in versions up to, and including, 4.20.0 This is due to missing cryptographic signature verification in the FirebasePhoneAuthHelper::verifyidtoken function, which decodes and validates Firebase ID token...

CVE-2026-13447 MStore API <= 4.20.0 - Unauthenticated Authentication Bypass via 'id_token' Parameter JWT Forgery

The Mstore Api plugin for WordPress is vulnerable to Authentication Bypass via JWT Forgery in versions up to, and including, 4.20.0 This is due to missing cryptographic signature verification in the FirebasePhoneAuthHelper::verifyidtoken function, which decodes and validates Firebase ID token...

CVE-2026-52767 YesWiki: Unauthenticated ActivityPub Signature-Verification Bypass via `!openssl_verify(...)` accepting `int(-1)`

YesWiki is a wiki system written in PHP. From version 4.6.2 to before version 4.6.6, HttpSignatureService::verifySignature checks the result of PHP's opensslverify with a loose boolean negation - if !opensslverify... throw ... . PHP's opensslverify has four possible return values: 1, 0, -1, and...

Security Bulletin: DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

Summary Open source packages are used as part of the overall processing in DataStage on Cloud Pak for Data. Vulnerability Details CVEID:CVE-2026-45022 DESCRIPTION: go-git is an extensible git implementation library written in pure Go. Prior to 5.19.0 and 6.0.0-alpha.3, go-git may parse malformed...

Exploit for CVE-2026-82876

CVE-2026-82876 — Phison S11 SSD Firmware Signature Verificatio...

CVE-2026-84043 ePayco Payment Gateway for WooCommerce < 8.4.7 - Unauthenticated Payment Confirmation Bypass

The ePayco Payment Gateway for WooCommerce WordPress plugin before 8.4.7 does not properly verify the authenticity of payment confirmation requests, allowing unauthenticated attackers to mark orders as paid without a valid gateway signature...

CVE-2026-84043 ePayco Payment Gateway for WooCommerce < 8.4.7 - Unauthenticated Payment Confirmation Bypass

The ePayco Payment Gateway for WooCommerce WordPress plugin before 8.4.7 does not properly verify the authenticity of payment confirmation requests, allowing unauthenticated attackers to mark orders as paid without a valid gateway signature...

PT-2026-86308

Name of the Vulnerable Software and Affected Versions Mstore Api plugin for WordPress versions prior to 4.20.1 Description An authentication bypass exists due to JWT JSON Web Token forgery. The issue occurs in the FirebasePhoneAuthHelper::verify id token function, which validates token claims suc...

PT-2026-85465

The ePayco Payment Gateway for WooCommerce WordPress plugin before 8.4.7 does not properly verify the authenticity of payment confirmation requests, allowing unauthenticated attackers to mark orders as paid without a valid gateway signature...

UBUNTU-CVE-2026-84185

A flaw was found in the jwcrypto library, which is used for implementing Javascript Object Signing and Encryption JOSE standards. The issue occurs when the library verifies a General JSON Serialization JWS using a set of keys. Due to a coding error, the library fails to correctly identify the...

OPENSUSE-SU-2026:21754-1 Security update for systemd

This update for systemd fixes the following issue: Security issue fixed: - CVE-2026-16742: systemd-homed: local privilege escalation due to missing home record signature verification on the authentication path bsc1271444. Non security issue fixed: - systemd-resolved fails to start due to write...