Is CVE-2026-10066 in the CISA KEV catalog?

No. CVE-2026-10066 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-10066?

CVE-2026-10066 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2026-10066?

CVE-2026-10066 has an EPSS score of 0.44% (35th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-10066

HIGH

8.8

CVSS v3

NVD

Description

A security vulnerability has been detected in Shibby Tomato up to 1.28. This issue affects the function sub_9068 of the file tomatoups.cgi of the component UPS Service. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. This project is superseded by FreshTomato. This vulnerability only affects products that are no longer supported by the maintainer.

CWE-119Buffer Overflow CWE-121

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.44%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

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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 2026-05-29.