CVE-2026-53834
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedOpenClaw before 2026.4.27 contains an authorization bypass vulnerability in QQBot pre-dispatch slash commands that allows authenticated senders to skip allowFrom policy checks. Attackers can invoke slash commands before configured access control policies are applied, potentially triggering command handling from blocked senders depending on operator configuration.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceOpenClaw QQBot has an authorization bypass in pre-dispatch slash command handling where the allowFrom policy checks are not applied before command execution. Authenticated senders can invoke slash commands before access control policies are evaluated, allowing blocked users to trigger command handlers if operators have configured certain policy settings.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 2026.4.27CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify installed OpenClaw versionLocate the OpenClaw installation and retrieve its version information, typically via package manager, application metadata, or version file included with the softwareAffected if The installed version is earlier than 2026.4.27
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Confirm QQBot module is activeInspect the OpenClaw configuration or running services to determine whether the QQBot component is enabled and operationalAffected if QQBot is enabled and running in the environment
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Verify slash commands are configuredReview the QQBot configuration files or command registration settings to identify whether slash command handlers are defined and activeAffected if Slash commands are registered and enabled in QQBot
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Examine allowFrom policy settingsInspect the QQBot access control policy configuration, specifically the allowFrom rules that control which users or sources can invoke slash commandsAffected if allowFrom policies exist but slash commands can be triggered before these policies are evaluated
The environment is affected if OpenClaw version is below 2026.4.27, QQBot is enabled with slash commands, and the allowFrom policy enforcement occurs after command dispatch rather than before.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped2026.4.27
Upgrade OpenClaw to version 2026.4.27 or later to receive the patch that enforces allowFrom policy checks before slash command dispatch.
OpenClaw 2026.4.27
- 1. Identify the current version of OpenClaw installed in your environment
- 2. Create a backup of your current OpenClaw configuration and data
- 3. Upgrade OpenClaw to version 2026.4.27 or later
- 4. After upgrade, verify that the allowFrom policy checks are now properly enforced for pre-dispatch slash commands
- 5. Test that slash commands from blocked senders are correctly rejected by the access control policy
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-53834 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-53834 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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