Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure via the GET /api/v4/channels/channelid/commonteams endpoint. An attacker can access team email addresses intended to be visible only to Team Admins by making authenticated requests to this endpoint. Remediation...

CVE-2025-55074

Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects...

PT-2025-51671

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the multiq3 driver related to configuration options within the multiq3 attach function. Syzbot identified that crafted configuration options,...

CVE-2025-34323

creationtimestamp| type| source ---|---|--- 2025-11-25 21:27:03+00:00| published-proof-of-concept| https://t.me/GithubRedTeam/60787 2025-11-26 03:00:07+00:00| published-proof-of-concept| Telegram/MnfDtTO7wJ3H0uNrhjZAmV8vXhG2hG4Vq-UJgHVKnfrpk...

libtiff security update

4.4.0-15.2 - fix CVE-2025-8176: tiffdither and tiffmedian skip first line of input images RHEL-120239 4.4.0-15.1 - fix CVE-2025-9900: buffer underflow crash in TIFFReadRGBAImageOriented RHEL-112545...

Improving the Identification of Real-World Malware's DNS Covert Channels Using Locality Sensitive Hashing

Nowadays, malware increasingly uses DNS-based covert channels in order to evade detection and maintain stealthy communication with its command-and-control servers. While prior work has focused on detecting such activity, identifying specific malware families and their behaviors from captured...

CVE-2025-12888

Vulnerability in X25519 constant-time cryptographic implementations due to timing side channels introduced by compiler optimizations and CPU architecture limitations, specifically with the Xtensa-based ESP32 chips. If targeting Xtensa it is recommended to use the low memory implementations of...

CVE-2025-12888

Vulnerability in X25519 constant-time cryptographic implementations due to timing side channels introduced by compiler optimizations and CPU architecture limitations, specifically with the Xtensa-based ESP32 chips. If targeting Xtensa it is recommended to use the low memory implementations of...

EUVD-2025-198523

Vulnerability in X25519 constant-time cryptographic implementations due to timing side channels introduced by compiler optimizations and CPU architecture limitations, specifically with the Xtensa-based ESP32 chips. If targeting Xtensa it is recommended to use the low memory implementations of...

CVE-2025-12888

Vulnerability in X25519 constant-time cryptographic implementations due to timing side channels introduced by compiler optimizations and CPU architecture limitations, specifically with the Xtensa-based ESP32 chips. If targeting Xtensa it is recommended to use the low memory implementations of...

PT-2025-47821

Name of the Vulnerable Software and Affected Versions X25519 affected versions not specified Description A flaw exists in X25519 constant-time cryptographic implementations due to timing side channels. These side channels are introduced by compiler optimizations and CPU architecture limitations,...

wolfSSL 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library for use by embedded systems developers from wolfSSL, Inc. in the United States. A security vulnerability exists in wolfSSL that stems from compiler optimizations and time-side channels introduced by CPU architectural limitations...

Mattermost Server < 11.0.0 Multiple Vulnerabilities (MMSA-2024-00337, MMSA-2025-00493, MMSA-2025-00540)

The version of Mattermost Server installed on the remote host is affected by multiple vulnerabilities as referenced in the MMSA-2024-00337, MMSA-2025-00493, MMSA-2025-00540 advisory. - Mattermost versions 11 fail to properly restrict access to archived channel search API which allows guest users ...

Incorrect Default Permissions

Overview Affected versions of this package are vulnerable to Incorrect Default Permissions via the Agents plugin process. An attacker can access information about when users have read channels by querying channel member objects. Remediation Upgrade...

PT-2025-47329

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.5.x through 10.5.11 Mattermost versions 10.11.x through 10.11.3 Description The Mattermost application does not properly enforce access permissions within the Agents plugin. This allows other users to determine when user...

5 Reasons Why Attackers Are Phishing Over LinkedIn

Phishing attacks are no longer confined to the email inbox, with 1 in 3 phishing attacks now taking place over non-email channels like social media, search engines, and messaging apps. LinkedIn in particular has become a hotbed for phishing attacks, and for good reason. Attackers are running...

CVE-2025-41436

Mattermost versions 11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads...

CVE-2025-11776

Mattermost versions 11 fail to properly restrict access to archived channel search API which allows guest users to discover archived public channels via the /api/v4/teams/teamid/channels/searcharchived endpoint...

Incorrect Authorization

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Incorrect Authorization via the /api/v4/teams/teamid/channels/searcharchived endpoint. An attacker can access information about archived public...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the /api/v4/teams/teamid/channels/searcharchived endpoint. An attacker can access information about archived public channels by sending crafted requests as a guest user. Remediation Upgrade...