What’s Vulnerable › Vulnerabilities

CVE-2026-63739: SurrealDB before 3.1.5 Arbitrary File Read via DEFINE ANALYZER

• Severity: high (CVSS 7.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-20 · updated 2026-07-22
• Weakness: CWE-22

Description

SurrealDB before 3.1.5 contains an arbitrary file read vulnerability in the DEFINE ANALYZER mapper filter that allows database users with EDITOR or OWNER roles to read files accessible to the SurrealDB process. Attackers can specify arbitrary file paths in the mapper filter and retrieve file contents through query error messages when the SURREAL_FILE_ALLOWLIST is empty or not configured.

Affected products

• surrealdb: before 3.1.5 — fixed in 3.1.5

How to fix

Upgrade to a fixed version: surrealdb 3.1.5. Check the vendor advisory for mitigations.

References

• https://github.com/surrealdb/surrealdb/security/advisories/GHSA-cc8f-fcx3-gpjr
• https://www.vulncheck.com/advisories/surrealdb-before-arbitrary-file-read-via-define-analyzer

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