Is CVE-2026-41526 in the CISA KEV catalog?

No. CVE-2026-41526 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-41526?

CVE-2026-41526 has a CVSS v3 base score of 6.5 (Moderate).

What is the EPSS score for CVE-2026-41526?

CVE-2026-41526 has an EPSS score of 0.17% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-41526?

Upgrade kcoreaddons to 6.25.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-41526

MEDIUM

6.5

CVSS v3

NVD

Description

In KDE KCoreAddons before 6.25, KShell::quoteArgs is intended to safely quote arguments so that they can be passed to a shell command. This parsing does not adequately handle metacharacters, leading to an escape from the shell. All applications relying on this method in a security-critical path to handle user input are affected and could be exploited. In particular, because sendInput() sends a string to a terminal, a control character such as \x01 can be used during injection.

CWE-150

How to fix

Remediation Available

kcoreaddonsNVD

Affected:< 6.25.0Fixed in:6.25.0CVE-2026-41526derived 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 VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

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

Exploit Intelligence

0.17%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Vendor Advisory1

kde.org

Release Notes1

github.com

Product3

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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 2026-05-05.