Total CVEs

130,823

Critical Severity

2,726

High Severity

9,741

Last 7 Days

796
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๐Ÿ“… Showing Year: 2026 (January 1 - December 31, 2026) View All Years โ†’
Showing 881 - 900 of 27,228 CVEs
CVE-2026-4286 LOW - 3.1

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to check if {{team_id}} was being changed when updating playbooks, allowing users with only {{Manage Playbook Configurations}} permission to change a playbook's team, bypassing manage members restriction via PUT api. Mattermos...

Vendor: mattermost
Product: mattermost_server
Published: May 18, 2026
Source: NVD
CVE-2026-3471 MEDIUM - 6.5

Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent an invalid URL from loading in a pop-up window in the Mattermost Desktop App which allows a malicious server owner to repeated crash the application via calling {{window.open('javascript:alert()');}}. Mattermost Adviso...

Published: May 18, 2026
Source: NVD
CVE-2026-3117 MEDIUM - 6.5

Mattermost Plugins versions <=11.5 11.1.5 10.13.11 11.3.4.0 fail to properly check for permissions when processing commands in the Gitlab plugin which allows normal users to uninstall instances or setup webhook connections via the {{gitlab instance {option}}} or the {{/gitlab webhook {option}}} c...

Published: May 18, 2026
Source: NVD
CVE-2026-28732 MEDIUM - 4.3

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 Fail to enforce slash command trigger-word uniqueness during command updates which allows an authenticated team member with Manage Own Slash Commands permission to hijack and impersonate existing system or custom sl...

Vendor: Mattermost
Product: Mattermost
Published: May 18, 2026
Source: NVD
CVE-2026-8788 HIGH - 7.3

Net::Statsd::Lite versions through 0.10.0 for Perl allowed metric injections. The values from the set_add method were not checked for newlines, colons or pipes. Metrics generated from untrusted sources could inject additional statsd metrics. Note that version 0.9.0 fixed a similar issue CVE-2026-4...

Published: May 18, 2026
Source: NVD
CVE-2026-6342 MEDIUM - 4.3

Mattermost Plugins versions <=11.5 11.1.5 10.13.11 11.3.4.0 fail to appropriately check for valid namespaces which allows plugin users to create subscriptions to groups that were not whitelisted via creating groups that share the same prefix as a whitelisted group. Mattermost Advisory ID: MMSA-20...

Published: May 18, 2026
Source: NVD
CVE-2026-6341 MEDIUM - 4.3

Mattermost Plugins versions <=11.5 11.1.5 10.13.11 11.3.4.0 fail to have API-level checks on which groups the user can create issues or attach comments to which allows a user that is member of multiple groups to create issues to a locked group via direct API requests. Mattermost Advisory ID: MMSA...

Published: May 18, 2026
Source: NVD
CVE-2026-6340 MEDIUM - 4.3

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to validate 7zip archive structure before processing which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted 7zip file with excessive fol...

Vendor: mattermost
Product: mattermost_server
Published: May 18, 2026
Source: NVD
CVE-2026-6334 LOW - 3.1

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mat...

Published: May 18, 2026
Source: NVD
CVE-2026-4273 LOW - 3.7

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to validate that the RefreshedToken differs from the original invite token during remote cluster invite confirmation which allows an authenticated attacker to bypass token rotation and reuse the original invite token via sending a ...

Vendor: mattermost
Product: mattermost_server
Published: May 18, 2026
Source: NVD
CVE-2026-3637 MEDIUM - 4.3

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to check the create_post channel permission during post edit operations which allows an authenticated attacker with revoked posting privileges to modify their existing posts via direct API requests to the post ...

Vendor: mattermost
Product: mattermost_server
Published: May 18, 2026
Source: NVD
CVE-2026-3495 LOW - 3.8

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to escape some variables that could contain malicious content during error page composition which allows an attacker with access to edit some site configuration to execute some malicious code via injecting some JS as part of those ...

Vendor: mattermost
Product: mattermost_server
Published: May 18, 2026
Source: NVD
CVE-2026-2325 MEDIUM - 4.3

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to limit the size of the request body on the start meeting API endpoint, which allows an authenticated attacker to cause resource exhaustion or denial of service via a crafted oversized HTTP POST request to {{/...

Vendor: mattermost
Product: mattermost_server
Published: May 18, 2026
Source: NVD
CVE-2026-28759 MEDIUM - 4.3

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to validate that a remote cluster has access to a channel before processing membership removal requests during shared channel membership sync, which allows a malicious remote cluster to remove any user from any...

Vendor: Mattermost
Product: Mattermost
Published: May 18, 2026
Source: NVD
CVE-2026-6495 HIGH - 7.1

The Ajax Load More WordPress plugin before 7.8.4 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Published: May 18, 2026
Source: NVD
CVE-2026-6381 HIGH - 7.5

The WP Maps WordPress plugin before 4.9.3 does not properly sanitize a parameter before using it in a file path, allowing authenticated users to perform Local File Inclusion attacks.

Published: May 18, 2026
Source: NVD
CVE-2026-6379 HIGH - 8.6

The WP Photo Album Plus WordPress plugin before 9.1.11.001 does not properly sanitize and escape a parameter before using it in a SQL query, allowing unauthenticated users to perform SQL injection attacks.

Published: May 18, 2026
Source: NVD
CVE-2026-3220 HIGH - 8.8

The Autoptimize WordPress plugin before 3.1.15, Clearfy Cache WordPress plugin before 2.4.2, Speed Optimizer WordPress plugin before 7.7.9 are vulnerable to unauthenticated Stored Cross-Site Scripting (XSS) due to a predictable replacement hash used during the HTML minification process and abusing...

Published: May 18, 2026
Source: NVD
CVE-2026-1631 MEDIUM - 5.4

The Feeds for YouTube (YouTube video, channel, and gallery plugin) WordPress plugin before 2.6.4 is vulnerable to unauthorized modification of the Feeds for YouTube (YouTube video, channel, and gallery plugin) WordPress plugin before 2.6.4's license key due to a missing capability check on the ...

Published: May 18, 2026
Source: NVD
CVE-2026-8786 MEDIUM - 6.3

A vulnerability has been found in Tencent WeKnora up to 0.3.6. Affected by this issue is the function getKnowledgeBaseForInitialization of the file internal/handler/initialization.go of the component Config API Endpoint. The manipulation of the argument kbId leads to authorization bypass. It is poss...

Vendor: tencent
Product: weknora
Published: May 18, 2026
Source: NVD