SurrealDB before 3.3.0 Denial of Service via Headers Non-ASCII Values
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.
CVE-2026-109338
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-109338
surrealdb
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "surrealdb",
"product": "surrealdb",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "3.3.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "3.3.0",
"versionType": "semver"
}
],
"packageURL": "pkg:cargo/surrealdb",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-109338
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #20365 · Revision 1
- Added to Heist Feed
- Publisher date