CVE-2026-40043 — The RunSwitchUser() Action That Authentication Bypass
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CVE-2026-40043 — Pachno 1.0.6 contains an authentication bypass vulnerability in the runSwitchUser() action that allows authenticated low-privilege users to escalate privileges by manipulating the original_username cookie. Attackers can set the client-controlled original_username cookie to any value
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40043 | vulnerability | CVE-2026-40043 |
| CWE-639 | weakness | CWE-639 |
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 13, 2026 at 22:16 UTC |
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