Is CVE-2026-28675 in the CISA KEV catalog?

No. CVE-2026-28675 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-28675?

CVE-2026-28675 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-28675?

CVE-2026-28675 has an EPSS score of 0.25% (16th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-28675?

Upgrade opensift to 1.6.3 or later.

CVE & CISA-KEV Catalog

CVE-2026-28675

MEDIUM

5.3

CVSS v3

NVD

Description

OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Prior to version 1.6.3-alpha, some endpoints returned raw exception strings to clients. Additionally, login token material was exposed in UI/rendered responses and token rotation output. This issue has been patched in version 1.6.3-alpha.

CWE-200Information Exposure CWE-209

How to fix

Remediation Available

opensiftNVD

Affected:< 1.6.3Fixed in:1.6.3CVE-2026-28675derived 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

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.25%probability of exploitation in 30 days

16thpercentile

Low risk: more likely to be exploited than 16% of all known CVEs.

References

Patch4

Release Notes1

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 2026-03-18.