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.
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Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
No workaround given by the vendor.
References
History
Sun, 27 Sep 2026 02:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Edgeless Systems Contrast through 1.20.0 Denial of Service via ciphertextContainer | |
| Weaknesses | CWE-129 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-27T01:29:58.070Z
Reserved: 2026-09-26T23:23:03.410Z
Link: CVE-2026-100836
No data.
Status : Received
Published: 2026-09-27T02:17:21.797
Modified: 2026-09-27T02:17:21.797
Link: CVE-2026-100836
No data.
OpenCVE Enrichment
Updated: 2026-09-27T03:30:20Z
Weaknesses