{"id":"EUVD-2026-87831","revision":"ee02a28f3cae45fba665f14b28e8ea2c","records":[{"revision":"ee02a28f3cae45fba665f14b28e8ea2c","observedAt":"2026-11-01T01:21:13.57+00:00","statement":{"source":"euvd","id":"EUVD-2026-87831","aliases":["CVE-2026-100836","GHSA-x66w-59x9-vvcf"],"title":"Contrast through 1.20.0 contains a panic vulnerability in the transit-engine endpoint's ciphertextContainer.UnmarshalJSON function that fails to validate decoded ciphertext length before slicing. An authenticated workload with a valid mesh …","description":"Contrast through 1.20.0 contains a panic vulnerability in the transit-engine endpoint's ciphertextContainer.UnmarshalJSON function that fails to validate decoded ciphertext length before slicing. An authenticated workload with a valid mesh certificate can trigger a runtime panic by submitting a short base64-encoded ciphertext, causing log spam and request failures without crashing the process.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":5.3,"severity":null}],"references":["https://github.com/edgelesssys/contrast/security/advisories/GHSA-3ccm-4qq2-5wrp","https://www.vulncheck.com/advisories/edgeless-systems-contrast-through-1.20.0-denial-of-service-via-ciphertextcontainer"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-87831","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 27, 2026, 1:29:58 AM","dateUpdated":"Sep 28, 2026, 4:00:49 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-2026-87831","identifiers":["EUVD-2026-87831","CVE-2026-100836","GHSA-x66w-59x9-vvcf"]},"retained":false,"historicalAffected":[]}],"coverage":[]}