{"id":"CVE-2026-100836","published":"2026-09-27T02:17:21.797","lastModified":"2026-09-28T16:17:11.160","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.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cwes":["CWE-129"],"vendors":[],"products":[],"references":[{"url":"https://github.com/edgelesssys/contrast/security/advisories/GHSA-3ccm-4qq2-5wrp","tags":[]},{"url":"https://www.vulncheck.com/advisories/edgeless-systems-contrast-through-1.20.0-denial-of-service-via-ciphertextcontainer","tags":[]},{"url":"https://github.com/edgelesssys/contrast/security/advisories/GHSA-3ccm-4qq2-5wrp","tags":[]}],"exploitRefs":[{"url":"https://github.com/edgelesssys/contrast/security/advisories/GHSA-3ccm-4qq2-5wrp","tags":[]},{"url":"https://github.com/edgelesssys/contrast/security/advisories/GHSA-3ccm-4qq2-5wrp","tags":[]}],"hasPoc":true,"ai":null}