Is CVE-2026-42098 in the CISA KEV catalog?

No. CVE-2026-42098 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-42098?

CVE-2026-42098 has a CVSS v4 base score of 8.7 (HIGH).

What is the EPSS score for CVE-2026-42098?

CVE-2026-42098 has an EPSS score of 0.40% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-42098?

No published fix for CVE-2026-42098 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-42098

HIGH

8.7

CVSS v4

NVD

Description

Sparx Enterprise Architect software has a security feature that limits user's actions to those specified in the role. An authenticated attacker can modify the Enterprise Architect client behavior (e.g. using a debugger) and log in as any other user or administrator - then it is possible to do every possible change to the repository. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 17.1 and below were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

CWE-603

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v4 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

Impact

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Intelligence

0.40%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Other references4

Related Vulnerabilities

Other CWE-603 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-3218	Critical	9.8	73%	-	-
CVE-2020-6988	High	7.5	3.9%	-	-
CVE-2017-7909	Critical	9.8	2.6%	-	-
CVE-2020-7591	High	8.8	1.5%	-	Fix
CVE-2022-33139	Critical	9.8	1.2%	-	-
CVE-2021-43355	High	7.3	1.0%	-	Fix

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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 2026-06-17.