CVE-2026-63753 — MEDIUM (4.3)

Q: How severe is CVE-2026-63753?

CVE-2026-63753 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-63753?

Check the references section above for vendor advisories and patch information. Affected products include: Surrealdb Surrealdb.

Vulnerability 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.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Surrealdb	Surrealdb	< 3.1.0

Related Weaknesses (CWE)

CWE-613

References

https://github.com/surrealdb/surrealdb/security/advisories/GHSA-4m82-p8cx-f94jMitigationVendor Advisory
https://www.vulncheck.com/advisories/surrealdb-before-authentication-bypass-via-Third Party Advisory

FAQ

What is CVE-2026-63753?

CVE-2026-63753 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 ...

How severe is CVE-2026-63753?

CVE-2026-63753 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-63753?

Check the references section above for vendor advisories and patch information. Affected products include: Surrealdb Surrealdb.