CVE-2026-4286
7 advisories.
Go/github.com/mattermost/mattermost/server/v8 CVE-2026-4286: low 3.1, EPSS 0.14%
Mattermost doesn't check if {{team_id}} was being changed when updating playbooks
Action: Upgrade github.com/mattermost/mattermost/server/v8 to 10.11.14 or later.
go get github.com/mattermost/mattermost/server/v8@v11.5.2go get github.com/mattermost/mattermost/server/v8@v10.11.14Affected
| introduced | fixed | last affected |
|---|---|---|
| 11.5.0 | 11.5.2 | - |
| 10.11.0 | 10.11.14 | - |
Fixed versions
| 11.5.2 | 10.11.14 |
Sources
- osv: GHSA-gvg4-jhmr-6j23
- https://nvd.nist.gov/vuln/detail/CVE-2026-4286
- https://github.com/mattermost/mattermost-plugin-playbooks/commit/e1d6ec2c94e695fb74e0c0c11c0d45e028bb96f3
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
CVE-2026-4286 · published · modified · JSON
Go/github.com/mattermost/mattermost-plugin-playbooks CVE-2026-4286: low 3.1, EPSS 0.14%
Mattermost doesn't check if {{team_id}} was being changed when updating playbooks
Action: Upgrade github.com/mattermost/mattermost-plugin-playbooks to 1.41.1-0.20260213020129-e1d6ec2c94e6 or later.
go get github.com/mattermost/mattermost-plugin-playbooks@v1.41.1-0.20260213020129-e1d6ec2c94e6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.41.1-0.20260213020129-e1d6ec2c94e6 | - |
Fixed versions
| 1.41.1-0.20260213020129-e1d6ec2c94e6 |
Sources
- osv: GHSA-gvg4-jhmr-6j23#Go/github.com/mattermost/mattermost-plugin-playbooks
- https://nvd.nist.gov/vuln/detail/CVE-2026-4286
- https://github.com/mattermost/mattermost-plugin-playbooks/commit/e1d6ec2c94e695fb74e0c0c11c0d45e028bb96f3
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
CVE-2026-4286 · published · modified · JSON
Go/github.com/mattermost/mattermost-plugin-playbooks CVE-2026-4286: unknown, EPSS 0.14%
Mattermost doesn't check if {{team_id}} was being changed when updating playbooks in github.com/mattermost/mattermost-plugin-playbooks
Action: Upgrade github.com/mattermost/mattermost-plugin-playbooks to 1.41.1-0.20260213020129-e1d6ec2c94e6 or later.
go get github.com/mattermost/mattermost-plugin-playbooks@v1.41.1-0.20260213020129-e1d6ec2c94e6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.41.1-0.20260213020129-e1d6ec2c94e6 | - |
Fixed versions
| 1.41.1-0.20260213020129-e1d6ec2c94e6 |
Sources
- osv: GO-2026-5404
- https://github.com/advisories/GHSA-gvg4-jhmr-6j23
- https://nvd.nist.gov/vuln/detail/CVE-2026-4286
- https://github.com/mattermost/mattermost-plugin-playbooks/commit/e1d6ec2c94e695fb74e0c0c11c0d45e028bb96f3
- https://mattermost.com/security-updates
CVE-2026-4286 · published · modified · JSON
Go/github.com/mattermost/mattermost-server CVE-2026-4286: unknown, EPSS 0.14%
Mattermost doesn't check if {{team_id}} was being changed when updating playbooks in github.com/mattermost/mattermost-plugin-playbooks
Action: Upgrade github.com/mattermost/mattermost-server to 10.11.14+incompatible or later.
go get github.com/mattermost/mattermost-server@v10.11.14+incompatiblego get github.com/mattermost/mattermost-server@v11.5.2+incompatibleAffected
| introduced | fixed | last affected |
|---|---|---|
| 10.11.0+incompatible | 10.11.14+incompatible | - |
| 11.5.0+incompatible | 11.5.2+incompatible | - |
Fixed versions
| 10.11.14+incompatible | 11.5.2+incompatible |
Sources
- osv: GO-2026-5404#Go/github.com/mattermost/mattermost-server
- https://github.com/advisories/GHSA-gvg4-jhmr-6j23
- https://nvd.nist.gov/vuln/detail/CVE-2026-4286
- https://github.com/mattermost/mattermost-plugin-playbooks/commit/e1d6ec2c94e695fb74e0c0c11c0d45e028bb96f3
- https://mattermost.com/security-updates
CVE-2026-4286 · published · modified · JSON
Go/github.com/mattermost/mattermost-server/v5 CVE-2026-4286: unknown, EPSS 0.14%
Mattermost doesn't check if {{team_id}} was being changed when updating playbooks in github.com/mattermost/mattermost-plugin-playbooks
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2026-5404#Go/github.com/mattermost/mattermost-server/v5
- https://github.com/advisories/GHSA-gvg4-jhmr-6j23
- https://nvd.nist.gov/vuln/detail/CVE-2026-4286
- https://github.com/mattermost/mattermost-plugin-playbooks/commit/e1d6ec2c94e695fb74e0c0c11c0d45e028bb96f3
- https://mattermost.com/security-updates
CVE-2026-4286 · published · modified · JSON
Go/github.com/mattermost/mattermost-server/v6 CVE-2026-4286: unknown, EPSS 0.14%
Mattermost doesn't check if {{team_id}} was being changed when updating playbooks in github.com/mattermost/mattermost-plugin-playbooks
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2026-5404#Go/github.com/mattermost/mattermost-server/v6
- https://github.com/advisories/GHSA-gvg4-jhmr-6j23
- https://nvd.nist.gov/vuln/detail/CVE-2026-4286
- https://github.com/mattermost/mattermost-plugin-playbooks/commit/e1d6ec2c94e695fb74e0c0c11c0d45e028bb96f3
- https://mattermost.com/security-updates
CVE-2026-4286 · published · modified · JSON
Go/github.com/mattermost/mattermost/server/v8 CVE-2026-4286: unknown, EPSS 0.14%
Mattermost doesn't check if {{team_id}} was being changed when updating playbooks in github.com/mattermost/mattermost-plugin-playbooks
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2026-5404#Go/github.com/mattermost/mattermost/server/v8
- https://github.com/advisories/GHSA-gvg4-jhmr-6j23
- https://nvd.nist.gov/vuln/detail/CVE-2026-4286
- https://github.com/mattermost/mattermost-plugin-playbooks/commit/e1d6ec2c94e695fb74e0c0c11c0d45e028bb96f3
- https://mattermost.com/security-updates
CVE-2026-4286 · published · modified · JSON