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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

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 None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

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-open-redirection-via-return-to-parameter cve-icon cve-icon
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5981.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 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.
Title Pachno 1.0.6 Open Redirection via return_to Parameter
First Time appeared Pachno
Pachno pachno
Weaknesses CWE-305
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:N/UI:R/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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: 2026-04-13T18:10:55.592Z

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

Link: CVE-2026-40039

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-13T19:16:51.447

Modified: 2026-04-13T19:16:51.447

Link: CVE-2026-40039

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses