SurrealDB before 3.3.0 contains an authorization bypass in HTTP session construction where check_auth() verifies credentials against Surreal-Auth-NS and Surreal-Auth-DB headers but constructs sessions using Surreal-NS and Surreal-DB headers without validating access permissions. Attackers can authenticate as a user from one tenant while selecting another tenant's namespace and database to read, create, and modify records across tenant boundaries.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-639"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102876.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"fixed": "3.3.0"
}
],
"source": "AFFECTED_FIELD"
},
{
"extracted_events": [
{
"fixed": "3.3.0"
}
],
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"fixed": "3.3.0"
}
],
"source": "DESCRIPTION"
}
]
}