CVE-2026-48499
Authenticated tenant can access/modify other tenants' flows and trigger RCE.
Is CVE-2026-48499 being exploited?
Not confirmed. CVE-2026-48499 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 0.24% probability of exploitation in the next 30 days.
How severe is CVE-2026-48499?
CVE-2026-48499 is rated Critical with a CVSS score of 9.3. 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-2026-48499?
Yes. A fix has been recorded for CVE-2026-48499. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-48499 affect?
CVE-2026-48499 affects Activepieces < 0.84.0, Activepieces worker (multi-tenant deployments), Self-hosted and hosted Activepieces instances. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-48499?
Upgrade to Activepieces 0.84.0+, rebuild worker cache, isolate workers, rotate secrets
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated flow author can read/write other tenants' cached flow/code and cause remote code execution on victim tenants during next run.
Immediate action required
- affected< 0.84.0
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.