globaleaks globaleaks-whistleblowing-software up to 5.0.88 /api/support input validation

Summaryinfo

A vulnerability was found in globaleaks globaleaks-whistleblowing-software up to 5.0.88. It has been declared as problematic. Affected by this issue is some unknown functionality of the file /api/support. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2026-33284. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in globaleaks globaleaks-whistleblowing-software up to 5.0.88. This vulnerability affects some unknown processing of the file /api/support. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect integrity. CVE summarizes:

GlobaLeaks is free and open-source whistleblowing software. Prior to version 5.0.89, the /api/support endpoint of GlobaLeaks performs minimal validation on user-submitted support requests. As a result, arbitrary URLs can be included in support emails sent to administrators. Version 5.0.89 patches the issue.

The advisory is available at github.com. This vulnerability was named CVE-2026-33284 since 03/18/2026. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 5.0.89 eliminates this vulnerability.

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Productinfo

Vendor

• globaleaks

Name

• globaleaks-whistleblowing-software

Version

• 5.0.0
• 5.0.1
• 5.0.2
• 5.0.3
• 5.0.4
• 5.0.5
• 5.0.6
• 5.0.7
• 5.0.8
• 5.0.9
• 5.0.10
• 5.0.11
• 5.0.12
• 5.0.13
• 5.0.14
• 5.0.15
• 5.0.16
• 5.0.17
• 5.0.18
• 5.0.19
• 5.0.20
• 5.0.21
• 5.0.22
• 5.0.23
• 5.0.24
• 5.0.25
• 5.0.26
• 5.0.27
• 5.0.28
• 5.0.29
• 5.0.30
• 5.0.31
• 5.0.32
• 5.0.33
• 5.0.34
• 5.0.35
• 5.0.36
• 5.0.37
• 5.0.38
• 5.0.39
• 5.0.40
• 5.0.41
• 5.0.42
• 5.0.43
• 5.0.44
• 5.0.45
• 5.0.46
• 5.0.47
• 5.0.48
• 5.0.49
• 5.0.50
• 5.0.51
• 5.0.52
• 5.0.53
• 5.0.54
• 5.0.55
• 5.0.56
• 5.0.57
• 5.0.58
• 5.0.59
• 5.0.60
• 5.0.61
• 5.0.62
• 5.0.63
• 5.0.64
• 5.0.65
• 5.0.66
• 5.0.67
• 5.0.68
• 5.0.69
• 5.0.70
• 5.0.71
• 5.0.72
• 5.0.73
• 5.0.74
• 5.0.75
• 5.0.76
• 5.0.77
• 5.0.78
• 5.0.79
• 5.0.80
• 5.0.81
• 5.0.82
• 5.0.83
• 5.0.84
• 5.0.85
• 5.0.86
• 5.0.87
• 5.0.88

Website

• Product: https://github.com/globaleaks/globaleaks-whistleblowing-software/

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