{"id":"EUVD-2026-27145","revision":"cb6a97329c534660884df3957cfa9059","records":[{"revision":"cb6a97329c534660884df3957cfa9059","observedAt":"2026-11-01T12:57:50.52+00:00","statement":{"source":"euvd","id":"EUVD-2026-27145","aliases":["CVE-2026-7776"],"title":"Boundary Community Edition and Boundary Enterprise (“Boundary”) workers are vulnerable to a denial-of-service condition during node enrollment TLS handshakes. An attacker with network access to the worker authentication listener may open a …","description":"Boundary Community Edition and Boundary Enterprise (“Boundary”) workers are vulnerable to a denial-of-service condition during node enrollment TLS handshakes. An attacker with network access to the worker authentication listener may open a connection and delay or withhold the client certificate during the TLS handshake, causing worker connection handling to block. This may prevent legitimate worker connections from being accepted or routed. This vulnerability, CVE-2026-7776, is fixed in Boundary 0.21.3, 0.20.3, 0.19.5.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 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,"severity":null}],"references":["https://discuss.hashicorp.com/t/hcsec-2026-11-boundary-workers-vulnerable-to-denial-of-service-during-tls-handshake"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-27145","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"May 4, 2026, 9:34:10 PM","dateUpdated":"May 5, 2026, 2:14:05 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-27145","identifiers":["EUVD-2026-27145","CVE-2026-7776"]},"retained":false,"historicalAffected":[]}],"coverage":[]}