Medium severity · published Jul 20, 2026
CVE-2026-63753
SurrealDB before 3.1.0 Authentication Bypass via LIVE Query
4.3
CVSS
0.4%
EPSS
No
On KEV
Description
SurrealDB before 3.1.0 fails to refresh authentication state in LIVE SELECT subscriptions when session state changes. Attackers can continue receiving real-time notifications under revoked or expired session credentials until the connection closes.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 28% 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-2026-63753
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-63753
Mitigation
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-4m82-p8cx-f94j
Third Party Advisory
https://www.vulncheck.com/advisories/surrealdb-before-authentication-bypass-via-live-query
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