CVE-2026-73084

MediumCVSS 6.1/10Last modified Sep 9, 2026

Description

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 crafted request to /api/redirect with a malicious code value can break out of the script context and execute arbitrary JavaScript in the Activepieces origin when a logged-in user opens it. An unauthenticated attacker can access the victim's session tokens or make authenticated API calls on the victim's behalf. This issue is fixed in version 0.83.0.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79 CWE-94

Affected software

Vendor	Product	Versions
activepieces	activepieces	< 0.83.0

References

Timeline

Published: Aug 11, 2026
Last modified: Sep 9, 2026
NVD status: Deferred

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