Is CVE-2026-28271 in the CISA KEV catalog?

No. CVE-2026-28271 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-28271?

CVE-2026-28271 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2026-28271?

CVE-2026-28271 has an EPSS score of 0.43% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-28271?

Upgrade kiteworks to 9.2.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-28271

MEDIUM

6.5

CVSS v3

NVD

Description

Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks configuration functionality allows bypassing of SSRF protections through DNS rebinding attacks. Malicious administrators could exploit this to access internal services that should be restricted. Version 9.2.0 contains a patch for the issue.

CWE-350 CWE-918Server-Side Request Forgery (SSRF)

How to fix

Remediation Available

kiteworksNVD

Affected:< 9.2.0Fixed in:9.2.0CVE-2026-28271derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.43%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Vendor Advisory1

github.com

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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 2026-03-04.