CVE-2026-62220

Q: How do I fix CVE-2026-62220?

Upgrade openclaw to 2026.5.26 or later.

Q: Is CVE-2026-62220 being actively exploited?

Not that we know of. CVE-2026-62220 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.52% is the estimated probability that it will be exploited in the next 30 days. That is higher than 42% of all scored CVEs.

Q: How severe is CVE-2026-62220?

CVE-2026-62220 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-62220 affect?

Published advisories record a fix for openclaw (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

5.3

CVSS v3

NVD

Description

OpenClaw 2026.2.25 before 2026.5.26 allow a lower-trust caller or configured input path to bypass non-browser rate limits on WebSocket authentication attempts. When the affected feature is enabled and reachable by lower-trust input, this can consume gateway resources and reduce service availability.

CWE-307

How to fix

Remediation Available

openclawNVD

Affected:>= 2026.2.25, < 2026.5.26Fixed in:2026.5.26CVE-2026-62220derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.52%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Vendor Advisory1

github.com

Third-Party Advisory1

vulncheck.com

Related Vulnerabilities

Other CWE-307 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-17240	Critical	9.8	40%	-	-
CVE-2023-29301	High	7.5	32%	-	-
CVE-2023-22960	High	7.5	28%	-	Fix
CVE-2020-15906	Critical	9.8	27%	-	Fix
CVE-2016-9361	Critical	9.8	20%	-	-
CVE-2024-39225	Critical	9.8	14%	-	-

Common questions

How do I fix CVE-2026-62220?

Upgrade openclaw to 2026.5.26 or later.

Is CVE-2026-62220 being actively exploited?

Not that we know of. CVE-2026-62220 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.52% is the estimated probability that it will be exploited in the next 30 days. That is higher than 42% of all scored CVEs.

How severe is CVE-2026-62220?

CVE-2026-62220 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-62220 affect?

Published advisories record a fix for openclaw (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-62220

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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 2026-07-21.