CVE-2026-10085 Ordinary group/direct message member can enable group_constrained and remove all channel participants

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to restrict the groupconstrained channel flag to public and private channels that support group synchronization, which allows an ordinary group or direct message member to remove all participants from the conversation v...

CVE-2026-11860 Insecure Deserialisation via Plaintext HTTP leading to Remote Code Execution in Quick.CMS

Quick.CMS deserializes user-controlled data received over plaintext HTTP without ensuring integrity or authenticity. This allows attackers to tamper with serialized payloads in transit and inject malicious objects. Because deserialization is performed without proper validation or class...

EUVD-2018-13770

Malware in sbrugna...

Unspecified Vulnerability in Mattermost Server (CNVD-2020-41170)

Mattermost Server is the United States Mattermost company's set of open source messaging platform. A security vulnerability exists in Mattermost Server versions prior to 5.1. An attacker non-channel member can exploit the vulnerability to modify the channel using the Channel PATCH API...

CVE-2018-21255

An issue was discovered in Mattermost Server before 5.1. Non-members of a channel could use the Channel PATCH API to modify that channel...

Code injection

An issue was discovered in Mattermost Server before 5.1. Non-members of a channel could use the Channel PATCH API to modify that channel...

CVE-2018-21255

An issue was discovered in Mattermost Server before 5.1. Non-members of a channel could use the Channel PATCH API to modify that channel...

openSUSE Security Update : openssl-1_0_0 (openSUSE-2019-985)

This update for openssl-100 fixes the following issues : Security issues fixed : - CVE-2018-0734: Fixed timing vulnerability in DSA signature generation bsc1113652. - CVE-2018-5407: Added elliptic curve scalar multiplication timing attack defenses that fixes 'PortSmash' bsc1113534. Non-security...

SUSE SLED15 / SLES15 Security Update : openssl-1_0_0 (SUSE-SU-2018:4001-1)

This update for openssl-100 fixes the following issues : Security issues fixed : CVE-2018-0734: Fixed timing vulnerability in DSA signature generation bsc1113652. CVE-2018-5407: Added elliptic curve scalar multiplication timing attack defenses that fixes 'PortSmash' bsc1113534. Non-security issue...

SUSE SLED12 / SLES12 Security Update : openssl-1_0_0 (SUSE-SU-2018:3989-1)

This update for openssl-100 fixes the following issues : Security issues fixed : CVE-2018-0734: Fixed timing vulnerability in DSA signature generation bsc1113652. CVE-2018-5407: Fixed elliptic curve scalar multiplication timing attack defenses bsc1113534. Add missing timing side channel patch for...

Security update for openssl (moderate)

This update for openssl fixes the following issues: Security issues fixed: - CVE-2018-0734: Fixed timing vulnerability in DSA signature generation bsc1113652. - CVE-2018-5407: Fixed elliptic curve scalar multiplication timing attack defenses bsc1113534. - Add missing timing side channel patch for...