CVE-2026-66027
Authenticated users can access/manipulate other users' message queues in Suna (<0.9.102).
Is CVE-2026-66027 being exploited?
Not confirmed. CVE-2026-66027 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.27% probability of exploitation in the next 30 days.
How severe is CVE-2026-66027?
CVE-2026-66027 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-66027?
Yes. A fix has been recorded for CVE-2026-66027. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-66027 affect?
CVE-2026-66027 affects Suna < 0.9.102 (message queue API). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-66027?
Upgrade to Suna 0.9.102+; restrict and audit queue API access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attackers can read/delete sessions and inject prompts into other users' AI agent queues, causing malicious actions under victim credentials.
Immediate action required
- affected< 0.9.102
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.