CVE-2026-29198
NoSQL injection in Rocket.Chat enables first-user account takeover via OAuth token.
Is CVE-2026-29198 being exploited?
Not confirmed. CVE-2026-29198 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 0.42% probability of exploitation in the next 30 days.
How severe is CVE-2026-29198?
CVE-2026-29198 is rated Critical with a CVSS score of 9.8. 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-2026-29198?
Yes. A fix has been recorded for CVE-2026-29198. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-29198 affect?
CVE-2026-29198 affects Rocket.Chat server versions <8.3.0 and other listed pre-8.x releases (<8.3.0, <8.2.1, <8.1.2, <8.0.3, <7.13.5, <7.12.6, <7.11.6, <7.10.9). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-29198?
Patch immediately to latest (≥8.3.0); review OAuth apps; rotate tokens.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
First-user account takeover via NoSQL injection when an OAuth app is configured.
Immediate action required