What is CVE-2026-73084?

CVE-2026-73084 is a medium-severity vulnerability in Activepieces, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-11.

How severe is CVE-2026-73084?

Medium severity. CVSS v3 base score is 6.1 out of 10.

RCE in Activepieces

CVE-2026-73084

Activepieces is an open source AI workflow automation platform. Prior to 0.83.0, the /api/redirect OAuth callback endpoint embeds the user-supplied code query parameter directly into an inline script block without proper escaping. A crafte…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Activepieces — versions < 0.83.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting
CWE-94 — Code Injection

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-73084?: CVE-2026-73084 is a medium-severity vulnerability in Activepieces, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-08-11.
How severe is CVE-2026-73084?: Medium severity. CVSS v3 base score is 6.1 out of 10.