https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 10:50:33 +0000 https://db.gcve.eu/vuln/cve-2026-53837 <p><strong>Affected:</strong> OpenClaw</p> <p>OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validate channel type metadata. Attackers can bypass intended DM policy decisions by sending crafted Mattermost events missing channel type information to process restricted content.</p> <p><strong>Affected:</strong> OpenClaw</p> <p>OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validate channel type metadata. Attackers can bypass intended DM policy decisions by sending crafted Mattermost events missing channel type information to process restricted content.</p> https://db.gcve.eu/vuln/cve-2026-53837 https://db.gcve.eu/vuln/ghsa-gp79-m99v-gjmh <p><strong>Affected:</strong> npm: openclaw</p> <p>### Summary</p> <p>Mattermost handlers could fall open when channel type was missing. In affected versions, a Mattermost event missing channel type metadata could continue without applying the intended DM policy decision.</p> <p>This advisory is scoped to the named feature and configuration. It does not change OpenClaw&#39;s trusted-operator model: authenticated Gateway operators, installed plugins, and intentional local execution surfaces remain trusted unless a separate policy, approval, allowlist, sandbox, or auth boundary is crossed.</p> <p>### Impact</p> <p>When the affected feature is enabled and reachable, this could process a Mattermost event that should have been gated by channel policy. Practical impact depends on the operator&#39;s configuration and whether lower-trust input can reach that path.</p> <p>### Patched Versions</p> <p>The first stable patched version is `2026.5.6`.</p> <p>### Mitigations</p> <p>keep Mattermost bot access restricted and review channel metadata errors until patched. As general hardening, keep channel and tool allowlists narrow, avoid sharing one Gateway between mutually untrusted users, and disable the affected feature when it is not needed.</p> <p><strong>Affected:</strong> npm: openclaw</p> <p>### Summary</p> <p>Mattermost handlers could fall open when channel type was missing. In affected versions, a Mattermost event missing channel type metadata could continue without applying the intended DM policy decision.</p> <p>This advisory is scoped to the named feature and configuration. It does not change OpenClaw&#39;s trusted-operator model: authenticated Gateway operators, installed plugins, and intentional local execution surfaces remain trusted unless a separate policy, approval, allowlist, sandbox, or auth boundary is crossed.</p> <p>### Impact</p> <p>When the affected feature is enabled and reachable, this could process a Mattermost event that should have been gated by channel policy. Practical impact depends on the operator&#39;s configuration and whether lower-trust input can reach that path.</p> <p>### Patched Versions</p> <p>The first stable patched version is `2026.5.6`.</p> <p>### Mitigations</p> <p>keep Mattermost bot access restricted and review channel metadata errors until patched. As general hardening, keep channel and tool allowlists narrow, avoid sharing one Gateway between mutually untrusted users, and disable the affected feature when it is not needed.</p> https://db.gcve.eu/vuln/ghsa-gp79-m99v-gjmh