VestaCP 0.9.8-26 contains a session token vulnerability in the LoginAs module that allows remote attackers to manipulate authentication tokens. Attackers can exploit insufficient token validation to access user accounts and perform unauthorized login requests without proper administrative permissions.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

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 High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00235.

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
VestaCP VestaCP affected
Version Status Constraints
0.9.8-26 affected —

No data.

No data.

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Vendors Products
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Control Panel Subscribe
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Project Subscriptions

Vendors Products
Vestacp Subscribe
Control Panel Subscribe
Vesta Control Panel Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://vestacp.com/ cve-icon cve-icon
https://www.exploit-db.com/exploits/49219 cve-icon cve-icon
https://www.vulncheck.com/advisories/vestacp-loginas-insufficient-session-validation cve-icon cve-icon
https://www.vulnerability-lab.com/get_content.php?id=2240 cve-icon cve-icon
https://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M. cve-icon cve-icon
History

Tue, 27 Jan 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Vestacp
Vestacp control Panel
Vestacp vesta Control Panel
Vendors & Products Vestacp
Vestacp control Panel
Vestacp vesta Control Panel

Tue, 27 Jan 2026 15:45:00 +0000

Type Values Removed Values Added
Description VestaCP 0.9.8-26 contains a session token vulnerability in the LoginAs module that allows remote attackers to manipulate authentication tokens. Attackers can exploit insufficient token validation to access user accounts and perform unauthorized login requests without proper administrative permissions.
Title VestaCP 0.9.8-26 - 'LoginAs' Insufficient Session Validation
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-27T21:36:26.071Z

Reserved: 2026-01-25T13:50:01.143Z

Link: CVE-2020-36948

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-27T16:16:12.213

Modified: 2026-01-29T16:31:35.700

Link: CVE-2020-36948

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-27T20:16:22Z

Weaknesses