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CVE-2026-40039 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Pachno 1.0.6 contains an open redirection vulnerability that allows attackers to redirect users to arbitrary external websites by manipulating the return_to parameter. Attackers can craft malicious login URLs with unvalidated return_to values to conduct phishing attacks and steal user credentials.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.7 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.vulncheck.com/advisories/pachno-open-redirection-via-return-to-parameter	[email protected]	Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5981.php	[email protected]	AdvisoryExploitTechnical Description

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-305	Authentication Bypass by Primary Weakness	[email protected]

Affected Products

Product	Versions
Pachno	<= 1.0.6 (semver)
CPE cpe:2.3:a:pachno:pachno:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 13, 2026	New CVE Received	[email protected]