CVE-2026-63757: SurrealDB versions before 3.1.0 contain a session hijacking vulnerability where the HTTP /rpc sessions method returns attached session UUIDs without authentication and accepts arbi
SurrealDB versions before 3.1.0 contain a session hijacking vulnerability where the HTTP /rpc sessions method returns attached session UUIDs without authentication and accepts arbitrary session fields with no ownership verification. Unauthenticated attackers can enumerate session UUIDs and impersonate authenticated sessions to read, write, delete data and escalate privileges.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-63757
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-637570.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-63757 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for SurrealDB
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-63763: SurrealDB before 2.5.0 and before 3.0.0-beta.3 contains a confused deputy privilege escalation…nvd · 2026-07-20
- mediumCVE-2026-63762: SurrealDB before v2.6.1 (and before v3.0.0-beta.3) contains a denial of service vulnerability …nvd · 2026-07-20
- mediumCVE-2026-63761: SurrealDB before 3.1.0 silently substitutes the ES384 algorithm when a JWT access method is co…nvd · 2026-07-20
- highCVE-2026-63760: SurrealDB before 3.1.0 fails to enforce the configured recursion depth limit in the value and …nvd · 2026-07-20
- mediumCVE-2026-63759: SurrealDB before 3.1.0 fails to enforce recursion depth limits in the type/kind parser when pr…nvd · 2026-07-20
- mediumCVE-2026-63758: SurrealDB versions before 3.1.0 contain an authorization bypass vulnerability in the KILL stat…nvd · 2026-07-20
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