Auth bypass in Coralos Coral Server
CVE-2026-30969
Coral Server is open collaboration infrastructure that enables communication, coordination, trust and payments for The Internet of Agents. Prior to 1.1.0, Coral Server did not enforce strong authentication between agents and the server within an active session. This could allow an attacker who obtained or predicted a session identifier to impersonate an agent or join an existing session. This vulnerability is fixed in 1.1.0.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Coralos Coral Server
- Coral-Protocol Coral-Server — versions < 1.1.0
Weakness classification (CWE)
References
- github.com/Coral-Protocol/coral-server/security/advisories/GHSA-ccx7-7wv9-c55x (Vendor Advisory)
- github.com/Coral-Protocol/coral-server/releases/tag/v1.1.0 (Release Notes)
Frequently asked questions
- What is CVE-2026-30969?
- CVE-2026-30969 is a critical-severity vulnerability in Coralos Coral Server, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.1/10. Published 2026-03-10.
- How severe is CVE-2026-30969?
- Critical severity. CVSS v3 base score is 9.1 out of 10.