Medium severity · published Jul 20, 2026
CVE-2026-63758
SurrealDB before 3.1.0 Authorization Bypass via KILL Statement
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
SurrealDB versions before 3.1.0 contain an authorization bypass vulnerability in the KILL statement that allows authenticated database users to terminate other users' LIVE SELECT subscriptions. Attackers can issue KILL statements with target live query UUIDs to disrupt real-time data subscriptions of other users without ownership verification.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% 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-2026-63758
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-63758
Vendor Advisory
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-gcwr-5mrf-fvch
Third Party Advisory
https://www.vulncheck.com/advisories/surrealdb-before-authorization-bypass-via-kill-statement
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