What is CVE-2026-107394?

CVE-2026-107394 is a medium-severity vulnerability in Indico, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.8/10. Published 2026-10-08.

How severe is CVE-2026-107394?

Medium severity. CVSS v3 base score is 6.8 out of 10.

SSRF in Indico

CVE-2026-107394

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to 3.3.13, the previous fix for CVE-2026-25738 did not cover an edge case, allowing an event organizer to submit a crafted URL that points to a prohibited local target but is accepted as valid by Indico. The organizer can read data returned by the target through affected Indico features. This issue is fixed in version 3.3.13.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-10-08 · last modified 2026-10-09.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Indico — versions < 3.3.13

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

Frequently asked questions

What is CVE-2026-107394?: CVE-2026-107394 is a medium-severity vulnerability in Indico, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.8/10. Published 2026-10-08.
How severe is CVE-2026-107394?: Medium severity. CVSS v3 base score is 6.8 out of 10.