| CVE-2021-37860 |
low |
— |
2.5 |
|
|
|
5y ago |
Cross-site Scripting in Mattermost in github.com/mattermost/mattermost-server |
| CVE-2026-22545 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to validate user's authentication method when processing account auth type switch in github.com/mattermost/mattermost-server |
| CVE-2026-2455 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation in github.com/mattermost/mattermost-server |
| CVE-2026-24692 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to properly enforce read permissions in search API endpoints in github.com/mattermost/mattermost-server |
| CVE-2026-4265 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to validate team-specific upload_file permissions in github.com/mattermost/mattermost-server |
| CVE-2026-21386 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to use consistent error responses when handling the /mute command in github.com/mattermost/mattermost-server |
| CVE-2026-2458 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost allows a removed team member to enumerate all public channels within a private team in github.com/mattermost/mattermost-server |
| CVE-2026-2456 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to limit the size of responses from integration action endpoints in github.com/mattermost/mattermost-server |
| CVE-2026-2463 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to filter invite IDs based on user permissions in github.com/mattermost/mattermost-server |
| CVE-2026-2578 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to preserve the redacted state of burn-on-read posts during deletion in github.com/mattermost/mattermost-server |
| CVE-2026-25783 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to properly validate User-Agent header tokens in github.com/mattermost/mattermost-server |
| CVE-2026-25780 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to bound memory allocation when processing DOC files in github.com/mattermost/mattermost-server |
| CVE-2026-24458 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to properly handle very long passwords in github.com/mattermost/mattermost-server |
| CVE-2026-2457 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost allows attackers to spoof permalink embeds in github.com/mattermost/mattermost-server |
| CVE-2026-26246 |
unknown |
— |
— |
|
|
|
3mo ago |
Mattermost fails to bound memory allocation when processing PSD image files in github.com/mattermost/mattermost-server |
| CVE-2025-14573 |
unknown |
— |
— |
|
|
|
4mo ago |
Mattermost fails to enforce invite permissions when updating team settings in github.com/mattermost/mattermost-server |
| CVE-2025-14350 |
unknown |
— |
— |
|
|
|
4mo ago |
Mattermost fails to properly validate team membership when processing channel mentions in github.com/mattermost/mattermost-server |
| CVE-2025-13821 |
unknown |
— |
— |
|
|
|
4mo ago |
Mattermost fails to sanitize sensitive data in WebSocket messages in github.com/mattermost/mattermost-server |
| CVE-2026-0999 |
unknown |
— |
— |
|
|
|
4mo ago |
Mattermost fails to properly validate login method restrictions in github.com/mattermost/mattermost-server |
| CVE-2025-13767 |
unknown |
— |
— |
|
|
|
5mo ago |
Mattermost doesn't validate user channel membership when attaching Mattermost posts as comments to Jira issues in github.com/mattermost/mattermost-server |
| CVE-2025-64641 |
unknown |
— |
— |
|
|
|
5mo ago |
Mattermost doesn't verify that post actions invoking `/share-issue-publicly` were created by the Jira plugin in github.com/mattermost/mattermost-server |
| CVE-2025-14273 |
unknown |
— |
— |
|
|
|
5mo ago |
Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-plugin-jira |
| CVE-2025-13324 |
unknown |
— |
— |
|
|
|
6mo ago |
Mattermost has an Invite Token Replay Vulnerability via Channel Membership Manipulation in github.com/mattermost/mattermost |
| CVE-2025-13352 |
unknown |
— |
— |
|
|
|
6mo ago |
Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection in github.com/mattermost/mattermost |
| CVE-2025-62690 |
unknown |
— |
— |
|
|
|
6mo ago |
Mattermost has missing redirect URL validation in github.com/mattermost/mattermost |
| CVE-2025-13870 |
unknown |
— |
— |
|
|
|
6mo ago |
Mattermost fails to validate user permissions in Boards in github.com/mattermost/mattermost |
| CVE-2025-12756 |
unknown |
— |
— |
|
|
|
6mo ago |
Mattermost fails to validate user permissions when deleting comments in Boards in github.com/mattermost/mattermost |
| CVE-2025-12421 |
unknown |
— |
— |
|
|
|
6mo ago |
Mattermost fails to to verify the token used during code exchange in github.com/mattermost/mattermost-server |
| CVE-2025-12559 |
unknown |
— |
— |
|
|
|
6mo ago |
Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server |
| CVE-2025-12419 |
unknown |
— |
— |
|
|
|
6mo ago |
Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server |
| CVE-2025-55074 |
unknown |
— |
— |
|
|
|
7mo ago |
Mattermost allows other users to determine when users had read channels via channel member objects in github.com/mattermost/mattermost-server |
| CVE-2025-11794 |
unknown |
— |
— |
|
|
|
7mo ago |
Mattermost allows system administrators to access password hashes and MFA secrets in github.com/mattermost/mattermost-server |
| CVE-2025-55070 |
unknown |
— |
— |
|
|
|
7mo ago |
Mattermost does not enforce MFA on WebSocket connections in github.com/mattermost/mattermost-server |
| CVE-2025-55073 |
unknown |
— |
— |
|
|
|
7mo ago |
Mattermost allows an attacker to edit arbitrary posts via a crafted MSTeams plugin OAuth redirect URL in github.com/mattermost/mattermost-server |
| CVE-2025-11776 |
unknown |
— |
— |
|
|
|
7mo ago |
Mattermost fails to properly restrict access to archived channel search API in github.com/mattermost/mattermost |
| CVE-2025-41436 |
unknown |
— |
— |
|
|
|
7mo ago |
Mattermost allows regular users to access archived channel content and files in github.com/mattermost/mattermost-server |
| CVE-2025-11777 |
unknown |
— |
— |
|
|
|
7mo ago |
Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost |
| CVE-2025-41410 |
unknown |
— |
— |
|
|
|
8mo ago |
Mattermost has a Missing Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-58073 |
unknown |
— |
— |
|
|
|
8mo ago |
Mattermost has a Missing Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-10545 |
unknown |
— |
— |
|
|
|
8mo ago |
Mattermost has an Incorrect Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-54499 |
unknown |
— |
— |
|
|
|
8mo ago |
Mattermost has an Observable Timing Discrepancy vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-58075 |
unknown |
— |
— |
|
|
|
8mo ago |
Mattermost has a Missing Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-9079 |
unknown |
— |
— |
|
|
|
9mo ago |
Mattermost Path Traversal vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-9081 |
unknown |
— |
— |
|
|
|
9mo ago |
Mattermost boards plugin fails to restrict download access to files in github.com/mattermost/mattermost-plugin-boards |
| CVE-2025-9084 |
unknown |
— |
— |
|
|
|
9mo ago |
Mattermost Open Redirect vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-9072 |
unknown |
— |
— |
|
|
|
9mo ago |
Mattermost Open Redirect vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-9078 |
unknown |
— |
— |
|
|
|
9mo ago |
Mattermost makes Use of Weak Hash in github.com/mattermost/mattermost-server |
| CVE-2025-9076 |
unknown |
— |
— |
|
|
|
9mo ago |
Mattermost Missing Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-6465 |
unknown |
— |
— |
|
|
|
10mo ago |
Mattermost Fails to Sanitize File Names in github.com/mattermost/mattermost-server |
| CVE-2025-8402 |
unknown |
— |
— |
|
|
|
10mo ago |
Mattermost has Potential Server Crash due to Unvalidated Import Data in github.com/mattermost/mattermost-server |
| CVE-2025-8023 |
unknown |
— |
— |
|
|
|
10mo ago |
Mattermost Fails to Sanitize Path Traversal Sequences in github.com/mattermost/mattermost-server |
| CVE-2025-47870 |
unknown |
— |
— |
|
|
|
10mo ago |
Mattermost Does Not Sanitize the Team Invite ID in github.com/mattermost/mattermost-server |
| CVE-2025-49222 |
unknown |
— |
— |
|
|
|
10mo ago |
Mattermost Fails to Validate Remote Cluster Upload Sessions in github.com/mattermost/mattermost-server |
| CVE-2025-53971 |
unknown |
— |
— |
|
|
|
10mo ago |
Mattermost Fails to Properly Validate Team Role Modification in github.com/mattermost/mattermost-server |
| CVE-2025-36530 |
unknown |
— |
— |
|
|
|
10mo ago |
Mattermost Fails to Validate File Paths in github.com/mattermost/mattermost-server |
| CVE-2025-47700 |
unknown |
— |
— |
|
|
|
10mo ago |
Mattermost Server SSRF Vulnerability via the Agents Plugin in github.com/mattermost/mattermost-server |
| CVE-2025-49810 |
unknown |
— |
— |
|
|
|
10mo ago |
Mattermost Lack of Access Control Validation in github.com/mattermost/mattermost-server |
| CVE-2025-6233 |
unknown |
— |
— |
|
|
|
11mo ago |
Mattermost Path Traversal vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-6227 |
unknown |
— |
— |
|
|
|
11mo ago |
Mattermost has Insufficiently Protected Credentials in github.com/mattermost/mattermost-server |
| CVE-2025-6226 |
unknown |
— |
— |
|
|
|
11mo ago |
Mattermost Missing Authentication for Critical Function in github.com/mattermost/mattermost-server |
| CVE-2025-47871 |
unknown |
— |
— |
|
|
|
11mo ago |
Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-46702 |
unknown |
— |
— |
|
|
|
11mo ago |
Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-3227 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost allows unauthorized channel member management through playbook runs in github.com/mattermost/mattermost-server |
| CVE-2025-3228 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost allows an unauthorized Guest user access to Playbook in github.com/mattermost/mattermost-server |
| CVE-2025-4981 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost allows authenticated users to write files to arbitrary locations in github.com/mattermost/mattermost-server |
| CVE-2025-4573 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost allows authenticated administrator to execute LDAP search filter injection in github.com/mattermost/mattermost-server |
| CVE-2025-4128 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost allows guest users to view information about public teams they are not members of in github.com/mattermost/mattermost-server |
| CVE-2025-2571 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost fails to clear Google OAuth credentials in github.com/mattermost/mattermost-server |
| CVE-2025-1792 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost fails to properly enforce access controls for guest users in github.com/mattermost/mattermost-server |
| CVE-2025-3230 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost fails to properly invalidate personal access tokens upon user deactivation in github.com/mattermost/mattermost-server |
| CVE-2025-3611 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost fails to properly enforce access control restrictions for System Manager roles in github.com/mattermost/mattermost-server |
| CVE-2025-3913 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost improperly allows team administrators to modify team invites in github.com/mattermost/mattermost-server |
| CVE-2025-2527 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Verify User's Permissions When Accessing Groups in github.com/mattermost/mattermost-server |
| CVE-2025-2570 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Check User Access to `ExperimentalSettings` in github.com/mattermost/mattermost-server |
| CVE-2025-3446 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Validate Team Invite Permissions in github.com/mattermost/mattermost-server |
| CVE-2025-31947 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Lockout LDAP Users After Repeated Login Failures in github.com/mattermost/mattermost-server |
| CVE-2025-41423 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Playbooks fails to properly validate permissions in github.com/mattermost/mattermost-plugin-playbooks |
| CVE-2025-41395 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Playbooks fails to properly validate the props used by the RetrospectivePost custom post type in github.com/mattermost/mattermost-plugin-playbooks |
| CVE-2025-35965 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Playbooks fails to validate the uniqueness and quantity of task actions in github.com/mattermost/mattermost-plugin-playbooks |
| CVE-2025-2564 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-27936 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost vulnerable to Observable Timing Discrepancy in github.com/mattermost/mattermost-plugin-msteams |
| CVE-2025-31363 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost doesn't restrict domains LLM can request to contact upstream in github.com/mattermost/mattermost-server |
| CVE-2025-27571 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-27538 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Missing Authentication for Critical Function in github.com/mattermost/mattermost-server |
| CVE-2025-24839 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-2475 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost vulnerable to Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-server |
| CVE-2025-2424 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost-server |
| CVE-2025-32093 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Restrict Certain Operations on System Admins in github.com/mattermost/mattermost-server |
| CVE-2025-24866 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Enforce Proper Access Controls on `/api/v4/audits` Endpoint in github.com/mattermost/mattermost-server |
| CVE-2025-27715 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost fail to prompt for explicit approval before adding a team admin to a private channel in github.com/mattermost/mattermost-server |
| CVE-2025-30179 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Enforce Certain Search APIs in github.com/mattermost/mattermost-server |
| CVE-2025-27933 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost allows members with permission to convert public channels to private and convert private to public in github.com/mattermost/mattermost-server |
| CVE-2025-25274 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Restrict Command Execution in Archived Channels in github.com/mattermost/mattermost-server |
| CVE-2025-24920 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Restrict Bookmark Creation and Updates in Archived Channels in github.com/mattermost/mattermost-server |
| CVE-2025-25068 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Enforce MFA on Plugin Endpoints in github.com/mattermost/mattermost-server |
| CVE-2025-1472 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost Fails to Properly Perform Viewer Role Authorization in github.com/mattermost/mattermost-server |
| CVE-2025-24526 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost fails to restrict channel export of archived channels in github.com/mattermost/mattermost-server |
| CVE-2025-25279 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost allows reading arbitrary files related to importing boards in github.com/mattermost/mattermost-server |
| CVE-2025-20051 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost allows reading arbitrary files in github.com/mattermost/mattermost-server |
| CVE-2025-1412 |
unknown |
— |
— |
|
|
|
1y ago |
Mattermost fails to invalidate all active sessions when converting a user to a bot in github.com/mattermost/mattermost-server |
