Missing authorization in Grida Forms file preview API
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Grida through 0.0.24 lacks an authorization check in the Forms file preview API routes (CWE-862). An unauthenticated remote attacker can read form response files of other organizations and obtain service role signed URLs for attachments and connected Supabase bucket objects. The attacker needs only form and field IDs that public form payloads expose.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
Grida through 0.0.24 contains a missing authorization vulnerability in the Forms file-preview API routes that allows unauthenticated attackers to read other organizations' form response files. Attackers can use form and field IDs exposed in public form payloads with a chosen path parameter to obtain service-role signed URLs for attachments and connected Supabase bucket objects.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
The sources list no fixed version for Grida.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Timeline
- 2026-11-06 Threatist record created from CVE-2026-123623
- 2026-11-06 Alias added: GHSA-h4gg-p9rv-rcg5
- 2026-11-08 Priority changed: MEDIUM → LOW
References
Sources
- CVE-2026-123623 · CVE Program
- CVE-2026-123623 · NVD
- FIRST EPSS
- GHSA-h4gg-p9rv-rcg5 · GitHub Advisory Database · CC BY 4.0
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