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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
pancho Pachno affected
Version Status Constraints
1.0.6 affected —

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Project Subscriptions

Vendors Products
Pachno Subscribe
Pachno Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.vulncheck.com/advisories/pachno-authentication-bypass-via-runswitchuser cve-icon cve-icon
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5985.php cve-icon cve-icon
History

Mon, 13 Apr 2026 18:30:00 +0000

Type Values Removed Values Added
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.
Title Pachno 1.0.6 Authentication Bypass via runSwitchUser()
First Time appeared Pachno
Pachno pachno
Weaknesses CWE-639
CPEs cpe:2.3:a:pachno:pachno:1.0.6:*:*:*:*:*:*:*
Vendors & Products Pachno
Pachno pachno
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-13T20:49:59.051Z

Reserved: 2026-04-08T13:39:22.100Z

Link: CVE-2026-40043

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-13T19:16:52.140

Modified: 2026-04-13T19:16:52.140

Link: CVE-2026-40043

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses