RUSTSEC-2026-0159 Sender-binding gaps in to-device messages

The matrix-sdk-crypto crate before 0.16.1 is missing a check for the sender's user ID when decrypting an Olm-encrypted to-device message containing the senderdevicekeys property. This could be exploited to spoof the sender of an encrypted to-device message, but only if the attacker colludes with ...

Incomplete message edit validation in matrix-sdk-ui

The message edit validation logic in the matrix-sdk-ui crate before 0.16.1 is missing a check: when replacing an encrypted event, the replacement event itself is not required to be encrypted. This enables a malicious homeserver administrator or an actor with equivalent power to impersonate or spo...

github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object

A flaw was found in Go JOSE, a library for handling JSON Web Encryption JWE objects. A remote attacker could exploit this vulnerability by providing a specially crafted JWE object. When decrypting such an object, if a key wrapping algorithm is specified but the encrypted key field is empty, the...

PT-2026-46306

Name of the Vulnerable Software and Affected Versions matrix-sdk-ui versions prior to 0.16.1 Description The message edit validation logic is missing a check when replacing an encrypted event, as the replacement event is not required to be encrypted. This allows a malicious homeserver administrat...

CVE-2026-35049 wire-ios has Persistent Remote DoS via Integer Underflow

wire-ios is an iOS client for the Wire secure messaging application. Prior to version 4.16.0, upon receiving a crafted malicious Proteus external message with an encrypted payload that is shorter than 16 bytes, the Wire iOS client crashes. The crash is triggered automatically after message receiv...

github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object

A flaw was found in Go JOSE, a library for handling JSON Web Encryption JWE objects. A remote attacker could exploit this vulnerability by providing a specially crafted JWE object. When decrypting such an object, if a key wrapping algorithm is specified but the encrypted key field is empty, the...

Dashlane Discloses Brute-Force Attack, Encrypted Vaults of Fewer Than 20 Users Downloaded

Password manager Dashlane has disclosed that "fewer than" 20 users on the personal subscription plan had their encrypted vaults downloaded following a brute-force attack launched by an unknown party. On May 31, 2026, the company said an "external" threat actor launched a brute-force attack agains...

Why Encrypted File Sharing Is Essential for Modern Businesses

Consider the history of any recent corporate scandal, and it is quite possible to guess what the story…...

CVE-2026-45159

Nextcloud is an open source content collaboration platform. From versions 1.15.0 to before 1.15.4, 1.16.0 to before 1.16.3, 1.17.0 to before 1.17.1, and 1.18.0 to before 1.18.1, a malicious user with access to an end-to-end encrypted files drop link was able to also drop files into other end-to-e...

CVE-2026-45159

Nextcloud vulnerability CVE-2026-45159 affects end-to-end encrypted file drop links. A malicious user with access to a drop link could drop files into other end-to-end encrypted folders owned by the share owner, but could not read or modify unrelated files. Mitigation is upgrading to patched rele...

CVE-2026-45159 Nextcloud: Files drop share links for end-to-end encrypted folders allowed to drop files into other folders of the share owner

Nextcloud is an open source content collaboration platform. From versions 1.15.0 to before 1.15.4, 1.16.0 to before 1.16.3, 1.17.0 to before 1.17.1, and 1.18.0 to before 1.18.1, a malicious user with access to an end-to-end encrypted files drop link was able to also drop files into other end-to-e...

EUVD-2026-33677

Nextcloud is an open source content collaboration platform. From versions 1.15.0 to before 1.15.4, 1.16.0 to before 1.16.3, 1.17.0 to before 1.17.1, and 1.18.0 to before 1.18.1, a malicious user with access to an end-to-end encrypted files drop link was able to also drop files into other end-to-e...

CVE-2026-45159 Nextcloud: Files drop share links for end-to-end encrypted folders allowed to drop files into other folders of the share owner

Nextcloud is an open source content collaboration platform. From versions 1.15.0 to before 1.15.4, 1.16.0 to before 1.16.3, 1.17.0 to before 1.17.1, and 1.18.0 to before 1.18.1, a malicious user with access to an end-to-end encrypted files drop link was able to also drop files into other end-to-e...

PT-2026-45474

Nextcloud is an open source content collaboration platform. From versions 1.15.0 to before 1.15.4, 1.16.0 to before 1.16.3, 1.17.0 to before 1.17.1, and 1.18.0 to before 1.18.1, a malicious user with access to an end-to-end encrypted files drop link was able to also drop files into other end-to-e...

End-to-End Encryption App 安全漏洞

End-to-End Encryption App is an open-source end-to-end encryption client implementation by Nextcloud. Vulnerabilities exist in versions of End-to-End Encryption App between 1.15.0 and 1.15.4, 1.16.0 and 1.16.3, 1.17.0 and 1.17.1, and 1.18.0 and 1.18.1. These vulnerabilities stem from improper...

Formal Verification of Secure Encrypted Virtualization

Trusted execution environments TEEs provide a secure environment for data and code in use, ensuring that they are protected with respect to confidentiality and integrity. Virtual machine VM-based TEEs utilize virtualization technology to create isolated execution spaces that can support a complet...

Signal users targeted in backup-stealing phishing attacks

A new phishing campaign is targeting Signal users by attempting to steal their backup recovery keys to access encrypted message archives. The attack is initiated by a text message pretending to come from Signal Support. “Action Required: Data Recovery Needed Your Signal account data message and...

[SECURITY] Fedora 43 Update: openbao-2.5.4-1.fc43

Openbao secures, stores, and tightly controls access to tokens, passwords, certificates, API keys, and other secrets in modern computing. Openbao handles leasing, key revocation, key rolling, and auditing. Through a unified API, us ers can access an encrypted Key/Value store and network...

[SECURITY] Fedora 44 Update: openbao-2.5.4-1.fc44

Openbao secures, stores, and tightly controls access to tokens, passwords, certificates, API keys, and other secrets in modern computing. Openbao handles leasing, key revocation, key rolling, and auditing. Through a unified API, us ers can access an encrypted Key/Value store and network...

A Protocol-Language Model for Network Intrusion (Without Deep Packet Inspection)

Modern network intrusion detection systems NIDS are caught in a structural contradiction: the protocols carrying the highest threat intelligence are precisely those encrypted under TLS 1.3 and QUIC, where payload inspection yields nothing. We ask a simpler question -- what if the attack signature...