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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 and request a switch to user ID 1 to obtain session tokens or password hashes belonging to administrator accounts.

    Published:Apr 13, 2026
    Last Modified:Apr 17, 2026
    EPS:Apr 13, 2026
    EPSS Score:0.00073
    CVSS Score:6.5

    Affected Products

    Vendor
    Pachno
    Product
    Pachno

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-40042 (CVSS 9.3) — Pachno 1.0.6 contains an XML external entity injection vulnerability that allows unauthenticated attackers to …
    CVE-2026-40041 (CVSS 5.3) — Pachno 1.0.6 contains a cross-site request forgery vulnerability that allows attackers to perform arbitrary ac…
    CVE-2026-40040 (CVSS 8.7) — Pachno 1.0.6 contains an unrestricted file upload vulnerability that allows authenticated users to upload arbi…
    CVE-2026-40039 (CVSS 7.1) — Pachno 1.0.6 contains an open redirection vulnerability that allows attackers to redirect users to arbitrary e…
    CVE-2026-40038 (CVSS 5.1) — Pachno 1.0.6 contains a stored cross-site scripting vulnerability that allows attackers to execute arbitrary H…
    CVE-2023-47437 (CVSS 5.4) — A vulnerability has been identified in Pachno 1.0.6 allowing an authenticated attacker to execute a cross-site…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High