TestLink versions 1.16 through 1.19 contain an unauthenticated file download vulnerability in the attachmentdownload.php endpoint. Attackers can download arbitrary files by iterating file IDs through the 'id' parameter with 'skipCheck=1' to bypass access controls.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 16 Jan 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Testlink
Testlink testlink
Vendors & Products Testlink
Testlink testlink

Thu, 15 Jan 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 15 Jan 2026 16:00:00 +0000

Type Values Removed Values Added
Description TestLink versions 1.16 through 1.19 contain an unauthenticated file download vulnerability in the attachmentdownload.php endpoint. Attackers can download arbitrary files by iterating file IDs through the 'id' parameter with 'skipCheck=1' to bypass access controls.
Title TestLink 1.19 - Arbitrary File Download (Unauthenticated)
Weaknesses CWE-639
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': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-15T16:54:50.020Z

Reserved: 2026-01-14T14:39:44.734Z

Link: CVE-2021-47760

cve-icon Vulnrichment

Updated: 2026-01-15T16:54:45.831Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-15T16:16:06.993

Modified: 2026-01-16T15:55:33.063

Link: CVE-2021-47760

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-16T13:43:44Z

Weaknesses