CVE-2026-63751 json
SurrealDB before 3.1.0 Field Permission Bypass via JSON Patch
published 4mo ago modified last mo. also GHSA-fpxg-5xmv-922m , EUVD-2026-45922
- cvss
- 4.3
- 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 22%
- public exploits
- 0
- none known
Summary
SurrealDB versions before 3.1.0 contain a field-level permission bypass vulnerability in JSON Patch operations that allows authenticated users to read protected fields. Attackers can use UPDATE PATCH with an empty from pointer in copy or move operations to duplicate all record fields, including those restricted by field-level SELECT permissions, into attacker-chosen destination fields.
Patch / fix
Is CVE-2026-63751 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/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 |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | surrealdb | <3.1.0 |
3.1.0 |
Affected products
- surrealdb surrealdb
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
github.com
/surrealdb/surrealdb/commit/56a7a1540d9228f82fd6284c258344e8dcb690fd
web
-
github.com
/surrealdb/surrealdb/security/advisories/GHSA-fpxg-5xmv-922m
vendor-advisory, web, mitigation
-
vulncheck.com
/advisories/surrealdb-before-field-permission-bypass-via-json-patch
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-63751
advisory
-
github.com
/surrealdb/surrealdb
package
Sources
- CVE List CVE-2026-63751
- GitHub Advisory GHSA-fpxg-5xmv-922m
- NVD CVE-2026-63751
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