{"cve":"CVE-2020-26304","nvd":{"published":"2024-10-26T21:15:13.673","modified":"2026-06-17T03:08:02.487","status":"Analyzed","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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Green","score":8.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1333"],"references":["https://github.com/foundation/foundation-sites/issues/12180","https://securitylab.github.com/advisories/GHSL-2020-290-redos-foundation-sites/"],"products":["foundation:foundation"],"source":"nvd","synced_at":"2026-10-19T21:56:33.105311382+00:00"},"epss":{"cve":"CVE-2020-26304","score":0.00539,"percentile":0.45384,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-p8pc-3f7w-jr5q","url":"https://osv.dev/vulnerability/GHSA-p8pc-3f7w-jr5q","summary":"Foundation Regular Expression Denial of Service vulnerability","modified":"2024-11-13T23:24:36Z","packages":[{"ecosystem":"npm","name":"foundation-sites","purl":"pkg:npm/foundation-sites","ranges":["<=6.3.3"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}