How severe is CVE-2026-26974?

CVE-2026-26974 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26974 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26974?

CVE-2026-26974 affects Slyde.js Slyde. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26974?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-26974 have an EU (EUVD) identifier?

Yes. CVE-2026-26974 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8403.

When was CVE-2026-26974 published?

CVE-2026-26974 was published on 2026-02-20 and last updated on 2026-06-17.

CVE-2026-26974

CVE-2026-26974 is a critical-severity vulnerability in Slyde.js Slyde with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-829.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 7.6
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8403
Weakness: CWE-829
Affected product: Slyde.js Slyde
Published: 2026-02-20
Last modified: 2026-06-17

Description

Slyde is a program that creates animated presentations from XML. In versions 0.0.4 and below, Node.js automatically imports **/*.plugin.{js,mjs} files including those from node_modules, so any malicious package with a .plugin.js file can execute arbitrary code when installed or required. All projects using this loading behavior are affected, especially those installing untrusted packages. This issue has been fixed in version 0.0.5. To workaround this issue, users can audit and restrict which packages are installed in node_modules.

Frequently asked questions

What is CVE-2026-26974?: Slyde is a program that creates animated presentations from XML. In versions 0.0.4 and below, Node.js automatically imports **/*.plugin.{js,mjs} files including those from node_modules, so any malicious package with a .plugin.js file can execute arbitrary code when installed or required. All projects using this loading behavior are affected, especially those installing untrusted packages. This issue has been fixed in version 0.0.5. To workaround this issue, users can audit and restrict which packages are installed in node_modules.
How severe is CVE-2026-26974?: CVE-2026-26974 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26974 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26974?: CVE-2026-26974 affects Slyde.js Slyde. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26974?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-26974 have an EU (EUVD) identifier?: Yes. CVE-2026-26974 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8403.
When was CVE-2026-26974 published?: CVE-2026-26974 was published on 2026-02-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:slyde.js:slyde:*:*:*:*:*:node.js:*:*

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