Is CVE-2026-28477 in the CISA KEV catalog?

No. CVE-2026-28477 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-28477?

CVE-2026-28477 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2026-28477?

CVE-2026-28477 has an EPSS score of 0.13% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-28477?

Upgrade openclaw to 2026.2.14 or later.

CVE & CISA-KEV Catalog

CVE-2026-28477

HIGH

7.1

CVSS v3

NVD

Description

OpenClaw versions prior to 2026.2.14 contain an oauth state validation bypass vulnerability in the manual Chutes login flow that allows attackers to bypass CSRF protection. An attacker can convince a user to paste attacker-controlled OAuth callback data, enabling credential substitution and token persistence for unauthorized accounts.

CWE-352Cross-Site Request Forgery

How to fix

Remediation Available

openclawNVD

Affected:< 2026.2.14Fixed in:2026.2.14CVE-2026-28477derived 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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.13%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Third-Party Advisory1

vulncheck.com

Related Vulnerabilities

Other CWE-352 (Cross-Site Request Forgery) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-6277	High	8.8	100%	KEV	-
CVE-2014-0054	Medium	6.8	91%	-	Fix
CVE-2013-6429	Medium	6.8	90%	-	Fix
CVE-2022-41622	High	8.8	88%	-	-
CVE-2018-7700	High	8.8	75%	-	-
CVE-2015-2295	Medium	6.8	66%	-	-

Embed a live status badge for CVE-2026-28477

Markdown

[![CVE-2026-28477](https://tridentstack.com/cve/badge/CVE-2026-28477.svg)](https://tridentstack.com/cve/CVE-2026-28477)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-28477"><img src="https://tridentstack.com/cve/badge/CVE-2026-28477.svg" alt="CVE-2026-28477"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2026-03-17.