Vulnerability · Published Jul 30, 2026 · Assigned by GitHub_M

CVE-2026-48499Activepieces: Cross-tenant data exposure and code injection via the Code piece sandbox cache

Critical 9.3

In plain English

A critical-severity information exposure in activepieces from activepieces. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.4%top 64.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Activepieces is an open source AI workflow automation platform. Prior to 0.84.0, an unsanitized path segment in the Code piece sandbox can let an authenticated flow author reach read-write cached flow and code files belonging to other tenants on the same worker, exposing embedded data and allowing modified code to execute on a victim tenant's next flow run. This issue is fixed in version 0.84.0.

Affected products (as reported)

VendorProductVersions
activepieces activepieces < 0.84.0

Weakness: CWE-200, CWE-285, CWE-668, CWE-732 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

References