GHSA-P9FM-F462-GGRG Rails Active Storage has a possible DoS vulnerability in proxy mode via multi-range requests

Impact Active Storage's proxy controller does not limit the number of byte ranges in an HTTP Range header. A request with thousands of small ranges causes disproportionate CPU usage compared to a normal request for the same file, possibly resulting in a DoS vulnerability. Releases The fixed...

Rails Active Storage has a possible DoS vulnerability in proxy mode via multi-range requests

Impact Active Storage's proxy controller does not limit the number of byte ranges in an HTTP Range header. A request with thousands of small ranges causes disproportionate CPU usage compared to a normal request for the same file, possibly resulting in a DoS vulnerability. Releases The fixed...

EUVD-2026-15806

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to properly validate CSRF tokens in the /api/v4/accesscontrolpolicies/policyid/activate endpoint, which allows an attacker to trick an admin into changing access control policy active status via a craft...

CVE-2026-27659

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to properly validate CSRF tokens in the /api/v4/accesscontrolpolicies/policyid/activate endpoint, which allows an attacker to trick an admin into changing access control policy active status via a craft...

CVE-2026-27659

Mattermost CSRF in UpdateAccessControlPolicyActiveStatus: versions 11.2.x ≤ 11.2.2, 10.11.x ≤ 10.11.10, 11.4.x ≤ 11.4.0, 11.3.x ≤ 11.3.1 fail to validate CSRF tokens on /api/v4/access_control_policies/{policy_id}/activate, enabling an attacker to trick an admin into changing an access control pol...

SUSE CVE-2026-33169

Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. NumberToDelimitedConverter uses a lookahead-based regular expression with gsub! to insert thousands delimiters. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, the interaction between th...

SUSE CVE-2026-33173

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, DirectUploadsController accepts arbitrary metadata from the client and persists it on the blob. Because internal flags like identified and analyzed are stored in the...

SUSE CVE-2026-33174

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when serving files through Active Storage's proxy delivery mode, the proxy controller loads the entire requested byte range into memory before sending it. A request...

SUSE CVE-2026-33176

Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Support number helpers accept strings containing scientific notation e.g. 1e10000, which BigDecimal expands into extremely large...

SUSE CVE-2026-33195

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Storage's DiskServicepathfor does not validate that the resolved filesystem path remains within the storage root directory. If a blob key containing path...

SUSE CVE-2026-33202

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Storage's DiskServicedeleteprefixed passes blob keys directly to Dir.glob without escaping glob metacharacters. If a blob key contains attacker-controlled inp...

Linux Distros Unpatched Vulnerability : CVE-2026-33173

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, DirectUploadsController...

Linux Distros Unpatched Vulnerability : CVE-2026-33202

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Storage's...

Linux Distros Unpatched Vulnerability : CVE-2026-33195

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Storage's...

PT-2026-28168

Name of the Vulnerable Software and Affected Versions Rails versions prior to 8.1.2.1 Rails versions prior to 8.0.4.1 Rails versions prior to 7.2.3.1 Description Active Storage, used for attaching cloud and local files in Rails applications, is susceptible to a denial-of-service condition. The...

Linux Distros Unpatched Vulnerability : CVE-2026-33174

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when serving files through...

Linux Distros Unpatched Vulnerability : CVE-2026-33169

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. NumberToDelimitedConverter uses a lookahead-based...

Linux Distros Unpatched Vulnerability : CVE-2026-33176

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1,...

Linux Distros Unpatched Vulnerability : CVE-2026-33170

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Active Support is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1,...

Rails Active Storage has a possible DoS vulnerability in proxy mode via multi-range requests

Impact Active Storage’s proxy controller does not limit the number of byte ranges in an HTTP Range header. A request with thousands of small ranges causes disproportionate CPU usage compared to a normal request for the same file, possibly resulting in a DoS vulnerability...