Auth bypass in Coralos Coral Server
CVE-2026-30968
Coral Server is open collaboration infrastructure that enables communication, coordination, trust and payments for The Internet of Agents. Prior to 1.1.0, the SSE endpoint (/sse/v1/...) in Coral Server did not strongly validate that a connecting agent was a legitimate participant in the session. This could theoretically allow unauthorized message injection or observation. This vulnerability is fixed in 1.1.0.
Vulnerability class: Broken Access Control
EPSS: 0.003 (27.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Coralos Coral_server
- Coral-protocol Coral-server — versions < 1.1.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-30968?
- CVE-2026-30968 is a critical-severity vulnerability in Coralos Coral Server, classified under Missing Authorization. CVSS score: 9.8/10. Published 2026-03-10.
- How severe is CVE-2026-30968?
- Critical severity. CVSS v3 base score is 9.8 out of 10.