CVE-2026-40742General

LOWCVSS 5.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-862

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • General: 1 classified signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-04-15); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-15: 1Mentions · 2026-04-16: 1Technical Details · 2026-04-15: 1Technical Details · 2026-04-16: 104-1504-16
Signal classification2 categories
General
150.0%
Disclosure
150.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-04-151
General1
2026-04-161
Disclosure1
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-40742 Missing Authorization vulnerability in Nelio Software Nelio AB Testing nelio-ab-testing allows Exploiting Incorrectly Configured Access Control Security Levels.This i… https://www.cve.org/CVERecord?id=CVE-2026-40742

    Post summary

    The post announces a missing‑authorization flaw in Nelio AB Testing, describing its access‑control nature but providing no PoC, exploitation claims, or mitigation guidance.

    00000127
    57.2K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-40742 Missing Authorization Vulnerability in Nelio AB Testing Through Version ... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-40742 Vulnerability Notification: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=3

    Post summary

    The tweet announces CVE‑2026‑40742 as a missing‑authorization flaw in Nelio AB Testing, linking to Vulmon for details, but provides no PoC, exploit code, active exploitation evidence, or patch information.

    0000041
    4.0K followersView on X

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