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CVE-2026-50137

🗓️ 26 Jun 2026 20:41:03Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 108 Views🌐 WEB

Unauthenticated endpoint mints 15-minute S3 pre-signed URLs using victim IAM credentials.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
budibasebudibaseRange<3.39.0
[
  {
    "vendor": "Budibase",
    "product": "budibase",
    "versions": [
      {
        "version": "< 3.39.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
datasourceIdpath/api/attachments/:datasourceId/urlAn unauthenticated attacker can request a pre-signed S3 PUT URL for an arbitrary bucket and key by providing a valid datasourceId, leading to unauthorized data upload or overwriting in S3 buckets accessible by the Budibase IAM identity.CWE-862
bucketpath/api/attachments/:datasourceId/urlAn unauthenticated attacker can request a pre-signed S3 PUT URL for an arbitrary bucket and key by providing a valid datasourceId, leading to unauthorized data upload or overwriting in S3 buckets accessible by the Budibase IAM identity.CWE-862
keypath/api/attachments/:datasourceId/urlAn unauthenticated attacker can request a pre-signed S3 PUT URL for an arbitrary bucket and key by providing a valid datasourceId, leading to unauthorized data upload or overwriting in S3 buckets accessible by the Budibase IAM identity.CWE-862

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30 Jun 2026 19:49Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.4
CVSS 48.2
EPSS0.00415
SSVC
108