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Vulnerability record · CVE-2026-41644 · published 7 May 2026

CVE-2026-41644: Monetr error message information leak vulnerability

Monetr · Monetr

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.

8.3 CVSS 4.0 High EPSS 0.44% · top 64.5% CWE-209 · Error message information leakCWE-770 · Allocation without limits
8.3CVSS 4.0 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/monetr/monetr/commit/c260caa3c573a4a396ec2d264c7641a5d958385b Patch
https://github.com/monetr/monetr/pull/3122 Issue TrackingPatch
https://github.com/monetr/monetr/releases/tag/v1.12.5 ProductRelease Notes
https://github.com/monetr/monetr/security/advisories/GHSA-29v9-frvh-c426 MitigationVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-41644), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.