CVE-2026-18560

Mattermost versions 11.10.x = 11.10.0, 11.7.x = 11.7.9, 11.9.x = 11.9.1, 11.8.x = 11.8.5 fail to validate user’s permissions before other validations which allows non-content reviewers to infer a post’s flagged status via direct API call.. Mattermost Advisory ID: MMSA-2026-00754...

CVE-2026-18795

Mattermost versions 11.10.x = 11.10.0, 11.7.x = 11.7.9, 11.9.x = 11.9.1, 11.8.x = 11.8.5 fail to enforce DM/GM check on server side which allows an authenticated user to quarantine a post belonging to DM or GM via direct API call.. Mattermost Advisory ID: MMSA-2026-00756...

CVE-2026-18560

Mattermost versions 11.10.x = 11.10.0, 11.7.x = 11.7.9, 11.9.x = 11.9.1, 11.8.x = 11.8.5 fail to validate user’s permissions before other validations which allows non-content reviewers to infer a post’s flagged status via direct API call.. Mattermost Advisory ID: MMSA-2026-00754...

CVE-2026-18795 Missing server side validation allowed user to quarantine a DM and GM post

Mattermost versions 11.10.x = 11.10.0, 11.7.x = 11.7.9, 11.9.x = 11.9.1, 11.8.x = 11.8.5 fail to enforce DM/GM check on server side which allows an authenticated user to quarantine a post belonging to DM or GM via direct API call.. Mattermost Advisory ID: MMSA-2026-00756...

CVE-2026-18795

Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, and 11.8.x

CVE-2026-18795

Mattermost versions 11.10.x = 11.10.0, 11.7.x = 11.7.9, 11.9.x = 11.9.1, 11.8.x = 11.8.5 fail to enforce DM/GM check on server side which allows an authenticated user to quarantine a post belonging to DM or GM via direct API call.. Mattermost Advisory ID: MMSA-2026-00756...

EUVD-2026-102813

Mattermost versions 11.10.x = 11.10.0, 11.7.x = 11.7.9, 11.9.x = 11.9.1, 11.8.x = 11.8.5 fail to enforce DM/GM check on server side which allows an authenticated user to quarantine a post belonging to DM or GM via direct API call.. Mattermost Advisory ID: MMSA-2026-00756...

CVE-2026-18795: Missing Authorization

Mattermost versions 11.10.x = 11.10.0, 11.7.x = 11.7.9, 11.9.x = 11.9.1, 11.8.x = 11.8.5 fail to enforce DM/GM check on server side which allows an authenticated user to quarantine a post belonging to DM or GM via direct API call.. Mattermost Advisory ID: MMSA-2026-00756...

CVE-2026-18560: Observable Discrepancy

Mattermost versions 11.10.x = 11.10.0, 11.7.x = 11.7.9, 11.9.x = 11.9.1, 11.8.x = 11.8.5 fail to validate user’s permissions before other validations which allows non-content reviewers to infer a post’s flagged status via direct API call.. Mattermost Advisory ID: MMSA-2026-00754...

PT-2026-115510

Name of the Vulnerable Software and Affected Versions Mattermost version 11.10.0 Mattermost versions 11.7.x through 11.7.9 Mattermost versions 11.9.x through 11.9.1 Mattermost versions 11.8.x through 11.8.5 Description An improper order of authorizations in the 'GetFile' API endpoint allows an...

PT-2026-115511

Mattermost versions 11.10.x = 11.10.0, 11.7.x = 11.7.9, 11.9.x = 11.9.1, 11.8.x = 11.8.5 fail to enforce DM/GM check on server side which allows an authenticated user to quarantine a post belonging to DM or GM via direct API call.. Mattermost Advisory ID: MMSA-2026-00756...

Mattermost authorization issue vulnerabilities

Mattermost versions 11.10.0 and earlier, 11.7.9 and earlier, 11.9.1 and earlier, as well as 11.8.5 and earlier have an authorization issue vulnerability. This vulnerability stems from the server-side failure to enforce DM/GM checks. Authenticated users can use direct API calls to isolate posts th...

CVE-2026-69191 FileRise: Login Method Restriction Bypass via Direct API Access

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.21.0, FileRise enforces disableFormLogin, disableBasicAuth, and disableOIDCLogin in the client interface but not consistently in the corresponding server-side authentication flows. A...

EUVD-2026-72692

A flaw was found in hawtio-operator. The operator's ClusterRole grants secrets: create, get, list, update, watch across all namespaces. While the operator uses a controller-runtime label-selector cache as a memory optimization, the ServiceAccount token authorizes read access to every Secret in th...

CVE-2026-73627

CVE-2026-73627 describes a bypass in JupyterLab’s plugin manager lock-rule enforcement. Affected product: JupyterLab (pip package jupyterlab) versions 4.1.0–4.5.9 and 4.6.0–4.6.1. Root cause: two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by is...

JupyterLab PluginManager lock-rule enforcement bypass

JupyterLab's plugin manager exposes administrator controls intended to prevent users from enabling or disabling selected plugins. Two server-side enforcement gaps let an authenticated user bypass those controls with direct requests to /lab/api/plugins. Impact Users could workaround the plugin...

GHSA-H5V5-8746-G7MM JupyterLab PluginManager lock-rule enforcement bypass

JupyterLab's plugin manager exposes administrator controls intended to prevent users from enabling or disabling selected plugins. Two server-side enforcement gaps let an authenticated user bypass those controls with direct requests to /lab/api/plugins. Impact Users could workaround the plugin...

CVE-2026-35147 HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access.

HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access. The application fails to verify the user's authentication status when accessing specific API endpoints, allowing an unauthenticated attacker to interact with the APIs and perform unauthorized actions without...

CVE-2026-35147

HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access. The application fails to verify the user’s authentication status when accessing specific API endpoints, allowing an unauthenticated attacker to interact with the APIs and perform unauthorized actions without...

PT-2026-60453

Name of the Vulnerable Software and Affected Versions HCL DFXServer affected versions not specified Description Broken Authentication occurs via direct API access because the application fails to verify the authentication status of the user. This allows an unauthenticated attacker to interact wit...