CVE-2026-102876
SurrealDB before 3.3.0 contains an authorization bypass in HTTP session construction where…
- Risk score
- 52/100
- CVSS
- 8.1 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 29 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 fr…
- Affected
- See advisory
- Fix
- Upgrade the product to 3.3.0 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 8.1 high
References
- https://github.com/surrealdb/surrealdb
- https://github.com/surrealdb/surrealdb/blob/v3.2.4/surrealdb/server/src/ntw/auth.rs
- https://github.com/surrealdb/surrealdb/commit/5000e233b4a8b96689c82715c172061dcf711d31
- https://github.com/surrealdb/surrealdb/releases/tag/v3.3.0
- https://github.com/surrealdb/surrealdb/security/advisories/GHSA-vx2p-7hhm-wv62
- https://www.vulncheck.com/advisories/surrealdb-before-3.3.0-cross-tenant-access-via-headers
Original description
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.
Last activity 29 Sep 2026. Patch Forecast updates every hour.