CVE-2026-28392: OpenClaw < 2026.2.14 - Privilege Escalation in Slack Slash Command Handler via Direct Messages

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-05 · updated 2026-06-17
Weakness: CWE-863

Description

OpenClaw versions prior to 2026.2.14 contain a privilege escalation vulnerability in the Slack slash-command handler that incorrectly authorizes any direct message sender when dmPolicy is set to open (must be configured). Attackers can execute privileged slash commands via direct message to bypass allowlist and access-group restrictions.

Affected products

OpenClaw: before 2026.2.14 — fixed in 2026.2.14

How to fix

Upgrade to a fixed version: OpenClaw 2026.2.14. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/f19eabee54c49e9a2e264b4965edf28a2f92e657
https://github.com/openclaw/openclaw/security/advisories/GHSA-v773-r54f-q32w
https://www.vulncheck.com/advisories/openclaw-privilege-escalation-in-slack-slash-command-handler-via-direct-messages

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