{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-22035", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-05T22:30:38.719Z", "datePublished": "2026-01-08T00:10:28.278Z", "dateUpdated": "2026-02-26T15:04:55.208Z" }, "containers": { "cna": { "title": "Greenshot Vulnerable to OS Command Injection via ExternalCommand Plugin", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/greenshot/greenshot/security/advisories/GHSA-7hvw-q8q5-gpmj", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/greenshot/greenshot/security/advisories/GHSA-7hvw-q8q5-gpmj" }, { "name": "https://github.com/greenshot/greenshot/commit/5dedd5c9f0a9896fa0af1d4980d875a48bf432cb", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/greenshot/greenshot/commit/5dedd5c9f0a9896fa0af1d4980d875a48bf432cb" }, { "name": "https://github.com/greenshot/greenshot/releases/tag/v1.3.311", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/greenshot/greenshot/releases/tag/v1.3.311" } ], "affected": [ { "vendor": "greenshot", "product": "greenshot", "versions": [ { "version": "< 1.3.311", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-08T00:10:28.278Z" }, "descriptions": [ { "lang": "en", "value": "Greenshot is an open source Windows screenshot utility. Versions 1.3.310 and below arvulnerable to OS Command Injection through unsanitized filename processing. The FormatArguments method in ExternalCommandDestination.cs:269 uses string.Format() to insert user-controlled filenames directly into shell commands without sanitization, allowing attackers to execute arbitrary commands by crafting malicious filenames containing shell metacharacters. This issue is fixed in version 1.3.311." } ], "source": { "advisory": "GHSA-7hvw-q8q5-gpmj", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2026-22035", "role": "CISA Coordinator", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2026-01-09T04:55:31.712966Z" } } } ], "references": [ { "url": "https://github.com/greenshot/greenshot/security/advisories/GHSA-7hvw-q8q5-gpmj", "tags": [ "exploit" ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T15:04:55.208Z" } } ] } }