CVE-2020-26304: GHSL-2020-290: Regular Expression Denial of Service (ReDoS) in foundation-sites

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-10-26 · updated 2026-06-17
Weakness: CWE-1333

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.

Affected products

foundation-sites: through 6.3.3

References

https://github.com/foundation/foundation-sites/issues/12180
https://securitylab.github.com/advisories/GHSL-2020-290-redos-foundation-sites/

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