CVE-2026-63753

5.3 mediumEPSS 0.4%

Medium (5.3) in surrealdb surrealdb. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.3 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
CWE: CWE-613
Published: 2026-07-20
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

surrealdb:surrealdb

References

https://github.com/surrealdb/surrealdb/security/advisories/GHSA-4m82-p8cx-f94j
https://www.vulncheck.com/advisories/surrealdb-before-authentication-bypass-via-live-query

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