CVE-2026-63739 SurrealDB before 3.1.5 Arbitrary File Read via DEFINE ANALYZER
Attackers with EDITOR or OWNER roles can read arbitrary files via DEFINE ANALYZER if the file allowlist is not configured.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-63739?
CVE-2026-63739 is a high-severity path traversal vulnerability in Surrealdb Surrealdb, published on 20 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-63739?
It affects 1 product.
Products include Surrealdb Surrealdb.
How do I fix CVE-2026-63739?
No fix has been published for CVE-2026-63739 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-63739 being exploited?
There is no known exploitation of CVE-2026-63739 in the wild and no public exploit code.
Other vulnerabilities in Surrealdb Surrealdb
- CVE-2025-71392 SurrealDB before 2.2.2 SurrealQL Injection via export
- CVE-2026-63756 SurrealDB before 3.1.0 Privilege Escalation via RPC Session Race Condition
- CVE-2026-63747 SurrealDB before 3.1.0 Denial of Service via malformed RPC use
- CVE-2026-63757 SurrealDB before 3.1.0 Session Hijacking via /rpc sessions
- CVE-2026-63760 SurrealDB before 3.1.0 Denial of Service via JSON Parser
Sources
Also known as GHSA-pmgv-hp4m-3xjp.