Open WebUI's Improper Authorization in Standard Channels Allows Message Updates with Read Permission

Vulnerability Description In standard channels i.e., channels whose channel.type is neither group nor dm, the endpoint POST /api/v1/channels/channelid/messages/messageid/update can be accessed with read permission only. When accesscontrol is set to None, the authorization check hasaccess...,...

GHSA-JGJ3-R8HR-9PJW Open WebUI's Improper Authorization in Standard Channels Allows Message Updates with Read Permission

Vulnerability Description In standard channels i.e., channels whose channel.type is neither group nor dm, the endpoint POST /api/v1/channels/channelid/messages/messageid/update can be accessed with read permission only. When accesscontrol is set to None, the authorization check hasaccess...,...

PT-2026-39673

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.8.6 Description In standard channels where channel.type is neither group nor dm, the endpoint "POST /api/v1/channels/channel id/messages/message id/update" can be accessed with read permission only. When access...

CVE-2026-45180

Catalyst::Plugin::Statsd versions through 0.10.0 for Perl may leak session ids. If the communication channel to the statsd daemon is not secured for example, by sending UDP packets to a host on another network, then users' session ids may be leaked. This may allow an attacker to use session ids a...

CVE-2026-45179 Plack::Middleware::Statsd versions before 0.9.0 for Perl may leak user IP addresses

Plack::Middleware::Statsd versions before 0.9.0 for Perl may leak user IP addresses. If the communication channel to the statsd daemon is not secured for example, by sending UDP packets to a host on another network, then users' IP addresses may be leaked. Since version 0.9.0, the IP address is no...

EUVD-2026-28995

Plack::Middleware::Statsd versions before 0.9.0 for Perl may leak user IP addresses. If the communication channel to the statsd daemon is not secured for example, by sending UDP packets to a host on another network, then users' IP addresses may be leaked. Since version 0.9.0, the IP address is no...

PT-2026-39533

Name of the Vulnerable Software and Affected Versions Plack::Middleware::Statsd versions prior to 0.9.0 Description Plack::Middleware::Statsd for Perl may leak user IP addresses. This occurs if the communication channel to the statsd daemon is not secured, such as when sending UDP packets to a ho...

PT-2026-41188

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.5 Description In standard channels, the pin and unpin operation incorrectly verifies only read permissions instead of write permissions. This allows users with read-only access to modify the is pinned, pinned b...

PT-2026-41187

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.5 Description An Insecure Direct Object Reference IDOR exists in the Channels feature, which allows any member of a channel to modify messages sent by other members, including administrators. In the update...

GHSA-HMGR-67HW-J2CQ Open WebUI: Deactivated Channel Members Retain Full Access to Group/DM Channels

Deactivated Channel Members Retain Full Access to Group/DM Channels Affected Component Channel membership authorization check: - backend/openwebui/models/channels.py lines 663-673, isuserchannelmember - Used at 15 locations in backend/openwebui/routers/channels.py Affected Versions Current main...

Open WebUI: Deactivated Channel Members Retain Full Access to Group/DM Channels

Deactivated Channel Members Retain Full Access to Group/DM Channels Affected Component Channel membership authorization check: - backend/openwebui/models/channels.py lines 663-673, isuserchannelmember - Used at 15 locations in backend/openwebui/routers/channels.py Affected Versions Current main...

Open WebUI Missing Access Check on Channel Members Endpoint for Standard Channels

Missing Access Check on Channel Members Endpoint for Standard Channels Affected Component Channel members listing endpoint: - backend/openwebui/routers/channels.py lines 445-507, getchannelmembersbyid Affected Versions Current main branch and likely all versions with the channels feature...

GHSA-C7WP-3QH5-55PV Open WebUI Missing Access Check on Channel Members Endpoint for Standard Channels

Missing Access Check on Channel Members Endpoint for Standard Channels Affected Component Channel members listing endpoint: - backend/openwebui/routers/channels.py lines 445-507, getchannelmembersbyid Affected Versions Current main branch and likely all versions with the channels feature...

Incorrect Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Incorrect Authorization in the setaccessgrants process. An attacker can override administrative access controls by submitting arbitrary access grants, including wildcard grants, which are persisted without...

Open WebUI's Channel Access Grants Bypass filter_allowed_access_grants

Channel Access Grants Bypass filterallowedaccessgrants Affected Component Channel creation and update endpoints: - backend/openwebui/routers/channels.py lines 291-340, createnewchannel - backend/openwebui/routers/channels.py lines 617-638, updatechannelbyid - backend/openwebui/models/channels.py...

GHSA-7RJH-PX4V-5W55 Open WebUI's Channel Access Grants Bypass filter_allowed_access_grants

Channel Access Grants Bypass filterallowedaccessgrants Affected Component Channel creation and update endpoints: - backend/openwebui/routers/channels.py lines 291-340, createnewchannel - backend/openwebui/routers/channels.py lines 617-638, updatechannelbyid - backend/openwebui/models/channels.py...

CVE-2026-43345

A flaw was found in the Linux kernel's ipa driver. This vulnerability, affecting IPA version 5.0 and later, stems from an incorrect event ring index programming, preventing GSI channels from signaling transfer completions. As a result, the system can experience hangs during operations such as...

CVE-2026-43345

In the Linux kernel, the following vulnerability has been resolved: net: ipa: fix event ring index not programmed for IPA v5.0+ For IPA v5.0+, the event ring index field moved from CHCCNTXT0 to CHCCNTXT1. The v5.0 register definition intended to define this field in the CHCCNTXT1 fmask array but...

CVE-2026-43307

In the Linux kernel, the following vulnerability has been resolved: iio: accel: adxl380: Avoid reading more entries than present in FIFO The interrupt handler reads FIFO entries in batches of N samples, where N is the number of scan elements that have been enabled. However, the sensor fills the...

PT-2026-39275

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description The channel router fails to call the filter allowed access grants function during the creation or update of channels. This function is intended to strip unauthorized wildcard grants such as...