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Vulnerabilities ›

CVE-2026-40043

Medium

CWE-639 — Weakness Type

                    Published: Apr 13, 2026                      ·  Modified: Apr 13, 2026                      ·  Source: NVD                

CVSS v3

6.5

🔗 NVD Official

📄 Description (English)

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.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 2

https://www.vulncheck.com/advisories/pachno-authentication-bypass-via-runswitchuser

disclosure@vulncheck.com

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5985.php

disclosure@vulncheck.com

📊 CVSS Score

6.5

/ 10.0 — Medium

📊 CVSS Vector

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

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredL — Low / Local

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityH — High

IntegrityN — None / Network

AvailabilityN — None / Network

📋 Quick Facts

Severity Medium

CVSS Score6.5

CWECWE-639

EPSS0.07%

Exploit No

Patch ✗ No

Published 2026-04-13

Source Feed nvd

🏷️ Tags

CWE-639

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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