How severe is CVE-2020-26304?

CVE-2020-26304 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-26304 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26304?

CVE-2020-26304 affects Foundation. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26304?

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

Does CVE-2020-26304 have an EU (EUVD) identifier?

Yes. CVE-2020-26304 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3094.

When was CVE-2020-26304 published?

CVE-2020-26304 was published on 2024-10-26 and last updated on 2026-06-17.

CVE-2020-26304

CVE-2020-26304 is a high-severity vulnerability in Foundation with a CVSS 3.x base score of 7.5. 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-1333.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-3094
Weakness: CWE-1333
Affected product: Foundation
Published: 2024-10-26
Last modified: 2026-06-17

Description

Foundation is a front-end framework. Versions 6.3.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any fixes are available.

Frequently asked questions

What is CVE-2020-26304?: Foundation is a front-end framework. Versions 6.3.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any fixes are available.
How severe is CVE-2020-26304?: CVE-2020-26304 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-26304 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26304?: CVE-2020-26304 affects Foundation. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26304?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2020-26304 have an EU (EUVD) identifier?: Yes. CVE-2020-26304 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3094.
When was CVE-2020-26304 published?: CVE-2020-26304 was published on 2024-10-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:foundation:foundation:*:*:*:*:*:*:*:*

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