CVE-2026-30968: Coral Server is open collaboration infrastructure that enables communication, coordination, trust and payments

Q: How do I fix CVE-2026-30968?

coral server: upgrade to 1.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-30968 being exploited?

CVE-2026-30968 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-30968 affect?

CVE-2026-30968 affects coral server. Severity is critical (CVSS 9.8). 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 conne

Q: How urgent is CVE-2026-30968?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-30968 is a critical-severity flaw (CVSS 9.8) affecting coral server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-03-10
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: coralos

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-10 18:18 UTCPublished CVE record published
2026-06-17 10:33 UTCUpdated Record last modified

coralos coral server UPGRADE

Affected: < 1.1.0

Fixed in: 1.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy coral-server || rpm -q coral-server || coral-server --version

2. UPGRADE to 1.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade coral-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade coral-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-30968?

coral server: upgrade to 1.1.0. Exact commands for each OS are on this page.

Is CVE-2026-30968 being exploited?

CVE-2026-30968 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-30968 affect?

CVE-2026-30968 affects coral server. Severity is critical (CVSS 9.8). 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 conne

How urgent is CVE-2026-30968?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-30970 CRITICAL 9.1 UPGRADE Coral Server is open collaboration infrastructure that enables communication, coordination, trust and payments
CVE-2026-30969 CRITICAL 9.1 UPGRADE Coral Server is open collaboration infrastructure that enables communication, coordination, trust and payments

References

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