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Vulnerability record · CVE-2026-63739 · published 20 July 2026

CVE-2026-63739: Surrealdb path traversal vulnerability

Surrealdb · Surrealdb

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.

8.3 CVSS 4.0 High EPSS 0.48% · top 61.4% CWE-22 · Path traversal
8.3CVSS 4.0 base score
0.48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
22 Jul 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-cc8f-fcx3-gpjr Vendor AdvisoryMitigation
https://www.vulncheck.com/advisories/surrealdb-before-arbitrary-file-read-via-define-analyzer Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-63739), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.