Video Conferencing with Zoom API < 4.6.6 - Unauthenticated SDK Signature Generation

Zoom WordPress plugin 4.6.6 contains a broken authentication caused by disabled nonce verification in an AJAX handler, letting unauthenticated attackers generate valid Zoom SDK signatures and retrieve the Zoom SDK key. id: CVE-2026-1368 info: name: Video Conferencing with Zoom API 4.6.6 -...

CVE-2026-47304

A flaw was found in .NET. An unauthorized attacker can exploit this vulnerability over a network due to improper verification of cryptographic signatures. This allows the attacker to bypass a critical security feature, potentially leading to significant compromise of confidentiality, integrity, a...

CVE-2026-48863

A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI lengths. Processin...

CVE-2026-48863 Libsolv: stack-based buffer overflow in libsolv eddsa pgp signature verification allows denial of service

A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI lengths. Processin...

Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : .NET vulnerabilities (USN-8553-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8553-1 advisory. Artur Stetsko discovered that the .NET did not properly validate authentication data. An attacker could possibly use this issue t...

CVE-2026-61436

PraisonAI before 4.6.78 fails to verify Svix webhook signatures in AgentMail webhook mode, allowing unauthenticated attackers to forge message.received events. Attackers can send crafted JSON payloads to the webhook endpoint to invoke configured agents with arbitrary sender addresses and message...

CVE-2026-61436 PraisonAI before 4.6.78 Missing Webhook Signature Verification

PraisonAI before 4.6.78 fails to verify Svix webhook signatures in AgentMail webhook mode, allowing unauthenticated attackers to forge message.received events. Attackers can send crafted JSON payloads to the webhook endpoint to invoke configured agents with arbitrary sender addresses and message...

JLSEC-2026-756 PKCS7_verify signer confusion allows forged signatures, where the signer associated with a...

PKCS7verify signer confusion allows forged signatures, where the signer associated with a signature is not correctly bound, permitting a forged signature to be accepted...

[SECURITY] Fedora 44 Update: perl-Crypt-DSA-1.22-1.fc44

Crypt::DSA is an implementation of the DSA Digital Signature Algorithm signature verification system. This package provides DSA signing, signature verification, and key generation. DSA Digital Signature Algorithm signatures are no longer considered to be adequate for security. This module should...

[SECURITY] Fedora 43 Update: perl-Crypt-DSA-1.22-1.fc43

Crypt::DSA is an implementation of the DSA Digital Signature Algorithm signature verification system. This package provides DSA signing, signature verification, and key generation. DSA Digital Signature Algorithm signatures are no longer considered to be adequate for security. This module should...

CVE-2026-11348

Improper verification of cryptographic signature vulnerability in HAVELSAN Inc. Liman MYS allows Fake the Source of Data. This issue affects Liman MYS: before release.Master.1107...

[SECURITY] Fedora 43 Update: clamav-1.4.5-1.fc43

Clam AntiVirus is an anti-virus toolkit for UNIX. The main purpose of this software is the integration with mail servers attachment scanning. The package provides a flexible and scalable multi-threaded daemon, a command line scanner, and a tool for automatic updating via Internet. The programs ar...

BIT-MASTODON-2026-48028 Mastodon: Removal of integrity-protected JSON entries from signed activities

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing threat actors...

BIT-MASTODON-2026-46349 Mastodon: LD-Signature Bypass via JSON-LD Named-Graph Restructuring

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing attackers to...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to ambiguity in the HMAC validation of signed URLs used for artifact access. An attacker can gain unauthorized read access to artifacts across repositories and write to upload-state...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the JWKS key caching process. An attacker can gain unauthorized access to another issuer or tenant's resources by crafting a valid token for one allowed issuer and exploiting the cache...

Improper Verification of Cryptographic Signature

Overview @sigstore/cli is a Sigstore CLI Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to the certificateOIDs option being accepted by the public API but discarded before verification, resulting in required certificate extension OIDs neve...

Timing Attack

Overview pay is a package for processing payments in Ruby on Rails apps Affected versions of this package are vulnerable to Timing Attack via the validsignature? function. An attacker can recover valid webhook signatures by sending multiple requests with crafted Paddle-Signature header values and...

PYSEC-2026-525 rfc3161-client has insufficient verification for timestamp response signatures

Impact rfc3161-client 1.0.2 and earlier contain a flaw in their timestamp response signature verification logic. In particular, it performs chain verification against the TSR's embedded certificates up to the trusted roots, but fails to verify the TSR's own signature against the timestamping leaf...

Improper Verification of Cryptographic Signature

Overview @sigstore/core is a Base library for Sigstore Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the preAuthEncoding function. An attacker can bypass type-binding guarantees by substituting characters in payloadType with Unicode varian...