CVE-2026-40043
Medium
Description
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 and request a switch to user ID 1 to obtain session tokens or password hashes belonging to administrator accounts.
SeverityMedium
CVSS6.5
Exploit probability—
ProductPachno
PublishedApr 13, 2026
First seenApr 13, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pancho Pachno | 1.0.6 | — |
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