CVE-2026-40742 | THREATINT

Description

Missing Authorization vulnerability in Nelio Software Nelio AB Testing nelio-ab-testing allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nelio AB Testing: from n/a through <= 8.2.8.

PUBLISHED Reserved 2026-04-15 | Published 2026-04-15 | Updated 2026-04-29 | Assigner Patchstack

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Problem types

Missing Authorization

Product status

Default status

unaffected

Any version

affected

Credits

Bao - BlueRock | Patchstack Bug Bounty Program finder

References

patchstack.com/...tive-data-exposure-vulnerability?_s_id=cve vdb-entry

cve.org (CVE-2026-40742)

nvd.nist.gov (CVE-2026-40742)

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