CVE-2024-39777 Malicious remote can invite itself to an arbitrary local channel

Mattermost versions 9.9.x = 9.9.0, 9.5.x = 9.5.6, 9.7.x = 9.7.5 and 9.8.x = 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local...

CVE-2024-39777 Malicious remote can invite itself to an arbitrary local channel

Mattermost versions 9.9.x = 9.9.0, 9.5.x = 9.5.6, 9.7.x = 9.7.5 and 9.8.x = 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local...

CVE-2024-39777

Mattermost contains a vulnerability (CVE-2024-39777) where, when shared channels are enabled, unsolicited invites can expose access to local channels. A remote attacker can send an invite containing the ID of an existing local channel, causing that local channel to become shared without the local...

CVE-2024-39777 Malicious remote can invite itself to an arbitrary local channel

Mattermost versions 9.9.x = 9.9.0, 9.5.x = 9.5.6, 9.7.x = 9.7.5 and 9.8.x = 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local...

CVE-2024-39274 Malicious remote can add users to arbitrary teams and channels

Mattermost versions 9.9.x = 9.9.0, 9.5.x = 9.5.6, 9.7.x = 9.7.5 and 9.8.x = 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels...

CVE-2024-36492 Existing local user overwritten by malicious remote

Mattermost versions 9.9.x = 9.9.0, 9.5.x = 9.5.6, 9.7.x = 9.7.5, 9.8.x = 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user...

CVE-2024-36492 Existing local user overwritten by malicious remote

Mattermost versions 9.9.x = 9.9.0, 9.5.x = 9.5.6, 9.7.x = 9.7.5, 9.8.x = 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user...

CVE-2024-29977 Malicious remote can create arbitrary reactions on arbitrary posts

Mattermost versions 9.9.x = 9.9.0, 9.5.x = 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts...

CVE-2024-29977

Mattermost Server vulnerability CVE-2024-29977 affects versions 9.9.x ≤ 9.9.0 and 9.5.x ≤ 9.5.6. The issue is improper validation of synced reactions when shared channels are enabled, enabling a remote attacker to create arbitrary reactions on arbitrary posts. Connected documents confirm the affe...

CVE-2024-29977 Malicious remote can create arbitrary reactions on arbitrary posts

Mattermost versions 9.9.x = 9.9.0, 9.5.x = 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. A security vulnerability exists in Mattermost that stems from the inability to prevent a remote user from modifying a local channel when shared channels are enabled, which allows a malicious remote use...

PT-2024-28692 · Mattermost · Mattermost

Name of the Vulnerable Software and Affected Versions: Mattermost versions 9.9.x through 9.9.0 Mattermost versions 9.5.x through 9.5.6 Description: The issue is related to the improper restriction of channel creation, allowing a malicious remote user to create arbitrary channels when shared...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. A security vulnerability exists in Mattermost that stems from a failure to properly validate synchronized posts when shared channels are enabled, which allows a malicious remote user to...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. Mattermost suffers from a security vulnerability that stems from a failure to properly protect against error handling when shared channels are enabled, which allows a malicious remote person to...

PT-2024-27027 · Mattermost · Mattermost

Name of the Vulnerable Software and Affected Versions: Mattermost versions 9.5.x through 9.5.6 Mattermost versions 9.7.x through 9.7.5 Mattermost versions 9.8.x through 9.8.1 Mattermost versions 9.9.x through 9.9.0 Description: The issue allows a malicious remote user to overwrite an existing loc...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. Mattermost suffers from a security vulnerability that stems from a failure to properly verify that a channel from a synchronized message is a shared channel when shared channels are enabled, which allo...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. Mattermost suffers from a security vulnerability that stems from a failure to disable unsolicited invitations to publicize access to a local channel when the shared channel is enabled, which allows a...

PT-2024-28671 · Mattermost · Mattermost

Name of the Vulnerable Software and Affected Versions: Mattermost versions 9.9.x through 9.9.0 Mattermost versions 9.5.x through 9.5.6 Mattermost versions 9.7.x through 9.7.5 Mattermost versions 9.8.x through 9.8.1 Description: The issue allows malicious remote users to send unsolicited invites,...

PT-2024-28415 · Mattermost · Mattermost

Name of the Vulnerable Software and Affected Versions: Mattermost versions 9.5.x through 9.5.6 Mattermost versions 9.7.x through 9.7.5 Mattermost versions 9.8.x through 9.8.1 Mattermost versions 9.9.x through 9.9.0 Description: The issue arises from the failure to properly validate that the chann...

PT-2024-29301 · Mattermost · Mattermost

Name of the Vulnerable Software and Affected Versions: Mattermost versions 9.5.x through 9.5.6 Mattermost versions 9.7.x through 9.7.5 Mattermost versions 9.8.x through 9.8.1 Mattermost versions 9.9.x through 9.9.0 Description: The issue allows a malicious remote actor to make an arbitrary local...