CVE-2026-12813 activepieces File URL file.ts handleUrlFile server-side request forgery
Remote attackers can exploit a server-side request forgery flaw in the file URL handler to access internal resources or bypass security controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-12813?
CVE-2026-12813 is a medium-severity server-side request forgery vulnerability in activepieces, published on 21 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in activepieces up to 0.83.0. This vulnerability affects the function handleUrlFile in the library packages/server/engine/src/lib/variables/processors/file.ts of the component File URL Handler. The manipulation results in server-side request forgery. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-918
Which versions are affected by CVE-2026-12813?
How do I fix CVE-2026-12813?
No fix has been published for CVE-2026-12813 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-12813 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12813 exists.
Sources
Also known as GHSA-fhpv-gggj-q6pv.