CVE-2026-100836

4.3 MEDIUMpublic exploit available

Published 2026-09-27 · Updated 2026-09-28

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses

CWE-129

Public exploit & PoC references

https://github.com/edgelesssys/contrast/security/advisories/GHSA-3ccm-4qq2-5wrp
https://github.com/edgelesssys/contrast/security/advisories/GHSA-3ccm-4qq2-5wrp

All 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
https://github.com/edgelesssys/contrast/security/advisories/GHSA-3ccm-4qq2-5wrp

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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