CVE-2026-63757

SurrealDB before 3.1.0 Session Hijacking via /rpc sessions

Published Jul 20, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
SurrealDB versions before 3.1.0 contain a session hijacking vulnerability where the HTTP /rpc sessions method returns attached session UUIDs without authentication and accepts arbitrary session fields with no ownership verification. Unauthenticated attackers can enumerate session UUIDs and impersonate authenticated sessions to read, write, delete data and escalate privileges.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Surrealdb
Surrealdb surrealdb
Vendors & Products Surrealdb
Surrealdb surrealdb
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description SurrealDB versions before 3.1.0 contain a session hijacking vulnerability where the HTTP /rpc sessions method returns attached session UUIDs without authentication and accepts arbitrary session fields with no ownership verification. Unauthenticated attackers can enumerate session UUIDs and impersonate authenticated sessions to read, write, delete data and escalate privileges.
Title SurrealDB before 3.1.0 Session Hijacking via /rpc sessions
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 28, 2026, 1:05 AM
Reserved
Jul 18, 2026, 12:30 PM
Status
Analyzed
Published
Jul 20, 2026, 12:19 PM
Modified
Jul 22, 2026, 3:17 PM