High severity · published Jul 20, 2026
CVE-2026-63757
SurrealDB before 3.1.0 Session Hijacking via /rpc sessions
8.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
surrealdb · surrealdb
before 3.1.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-63757
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-63757
Vendor Advisory
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-5qfp-32cf-69jh
Third Party Advisory
https://www.vulncheck.com/advisories/surrealdb-before-session-hijacking-via-rpc-sessions
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