CVE-2026-109338
SurrealDB before 3.3.0 Denial of Service via Headers Non-ASCII Values
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
SurrealDB before 3.3.0 contains a denial of service vulnerability that allows query-capable users to crash the server by reading non-ASCII header values in embedded JavaScript. Attackers with scripting enabled can read such values via Headers get(), entries(), values(), or getSetCookie(), or return them from fetch() endpoints, aborting the server process.
| CWE | CWE-248 |
| Vendor | surrealdb |
| Product | surrealdb |
| Published | Oct 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
surrealdb / surrealdb
0 < 3.3.0
References
Credits
🔍 gigioneggiando