Is CVE-2026-53834 in the CISA KEV catalog?

No. CVE-2026-53834 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-53834?

CVE-2026-53834 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2026-53834?

CVE-2026-53834 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-53834?

Upgrade openclaw to 2026.4.27 or later.

CVE & CISA-KEV Catalog

CVE-2026-53834

HIGH

7.5

CVSS v3

NVD

Description

OpenClaw 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.

CWE-863Incorrect Authorization

How to fix

Remediation Available

openclawNVD

Affected:< 2026.4.27Fixed in:2026.4.27CVE-2026-53834derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Vendor Advisory1

github.com

Third-Party Advisory1

vulncheck.com

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-16.