CVE-2026-63753
Low
No strong exploitation signal.
CVSS base
4.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS — probability of exploitation (30 days)
0.4%
28.6th percentile
CISA KEV
Not listed
Weakness / dates
CWE-613
Published 2026-07-20 · modified 2026-07-23
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | L | Low |
| Integrity | N | None |
| Availability | N | None |
Timeline
- 2026-07-20 — Published (NVD)
- 2026-07-23 — Last modified (NVD)
Description
SurrealDB before 3.1.0 fails to refresh authentication state in LIVE SELECT subscriptions when session state changes. Attackers can continue receiving real-time notifications under revoked or expired session credentials until the connection closes.