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3191 articles · 168085 vulns · 37/41 feeds (7d)
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7.5
CVE-2026-50137EXPLOITEDPATCHED
budiba · budibase

Budibase: POST /api/attachments/:datasourceId/url is unauthenticated and lets anonymous callers mint S3 PUT pre-signed URLs using stored datasource IAM credentials

Description

A vulnerability was found in budibase up to 3.38.x. It has been rated as problematic. This affects the function packages/server/src/api/controllers/static/index.ts::getSignedUploadURL of the file /api/attachments. This manipulation causes missing authorization. This vulnerability is tracked as CVE-2026-50137. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Affected Products

VendorProductVersions
budibabudibase< 3.39.0

References

  • https://github.com/Budibase/budibase/security/advisories/GHSA-35c4-rvc8-frhm(x_refsource_CONFIRM)

Related News (1 articles)

Tier C
VulDB23h ago
CVE-2026-50137 | budibase up to 3.38.x /api/attachments getSignedUploadURL authorization (GHSA-35c4-rvc8-frhm)
→ No new info (linked only)
CVSS 3.17.5 HIGH
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
@budibase/server@3.39.0
CWECWE-862, CWE-287
PublishedJun 22, 2026
Last enriched22h agov2
Tags
GHSA-35c4-rvc8-frhmnpm
Trending Score41
Source articles1
Independent1
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Related CVEs (5)

CRITICALCVE-2026-54350EXP
Budibase: Anonymous NoSQL operator injection via published-app query templates
Trending: 54
HIGHCVE-2026-50132EXP
Budibase: Chat Identity Link Hijacking via Missing Consent & CSRF — Account Impersonation in Budibase
Trending: 49
CRITICALCVE-2026-54353EXP
Budibase: Potential SSRF DNS rebinding bypass in outbound fetch validation
Trending: 44
CRITICALCVE-2026-54352
Budibase: Arbitrary file read by workspace-builder via PWA-zip symlink upload
Trending: 39
CRITICALCVE-2026-50136
Budibase: Unauthenticated S3 signed upload URL generation allows arbitrary writes with stored datasource credentials
Trending: 35

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Jun 22, 2026
Discovered by ZDM
Jun 22, 2026
Actively Exploited
Jun 26, 2026
Patch Available
Jun 26, 2026
Updated: description, severity, cvssEstimate, cweIds, activelyExploited
Jun 27, 2026

Version History

v2
Last enriched 22h ago
v2Tier C22h ago

Updated description with new details, changed severity to HIGH, set CVSS estimate to 7.5, updated CWE to CWE-287, and noted that no exploit exists.

descriptionseveritycvssEstimatecweIdsactivelyExploited
via VulDB
v15d ago

Initial creation