{"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"}}]}}