CVE-2026-40043

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

April 13, 2026

Last Modified

April 17, 2026

CWE ID

CWE-639

Source

NVD

Vendor

pancho

Product

Pachno

External References

https://www.vulncheck.com/advisories/pachno-authentication-bypass-via-runswitchuser
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5985.php
https://www.zeroscience.mk/#/advisories/ZSL-2026-5985

CVE-2026-40043

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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