CVE-2026-74869
Authenticated users can subscribe to private-server member updates without membership.
Is CVE-2026-74869 being exploited?
Not confirmed. CVE-2026-74869 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 0.26% probability of exploitation in the next 30 days.
How severe is CVE-2026-74869?
CVE-2026-74869 is rated High with a CVSS score of 8.3. 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-2026-74869?
Yes. A fix has been recorded for CVE-2026-74869. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-74869 affect?
CVE-2026-74869 affects stoatchat < 0.15.0, Self-hosted stoatchat servers, Private server member-update topics. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-74869?
Upgrade to stoatchat >=0.15.0; restrict Subscribe privileges; audit logs
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attackers can enumerate members and receive live UserUpdate events (names, avatars, status) of private servers without membership.
Immediate action required
- affected< 0.15.0
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.