CVE-2026-56302 json
Capgo - Unsecured Supabase Images Bucket via Missing Row Level Security
published 4mo ago modified 17d ago also EUVD-2026-38749
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
Capgo before 12.128.2 contains an unsecured images bucket lacking any row level security controls, allowing unauthenticated attackers to read, insert, and delete stored app icons. Remote attackers can exploit this misconfiguration to delete all icons and leak sensitive app IDs and user IDs.
Patch / fix
- Capgo Capgo 12.128.2
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 4mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/Cap-go/capgo/security/advisories/GHSA-8hq3-gg3m-vwvr referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Capgo Capgo
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
github.com
/Cap-go/capgo/security/advisories/GHSA-8hq3-gg3m-vwvr
vendor-advisory, exploit
-
vulncheck.com
/advisories/capgo-unsecured-supabase-images-bucket-via-missing-row-level-security
third-party-advisory
Sources
- CVE List CVE-2026-56302
- NVD CVE-2026-56302
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